9 Best Glass Meal Prep Containers (November 2026)
The best glass meal prep containers include the Rubbermaid Brilliance Glass Food Storage set for everyday meal prep, the PrepNaturals 5 Pack 30oz Glass Meal Prep for simple single-compartment meals, and the C CREST [10 Pack] Glass Meal Prep for a large household supply.
On this page (16 sections)
- How we chose the best meal prep containers glass buyers need
- Best glass meal prep containers compared
- 1. Rubbermaid Brilliance Glass Food Storage set: Best for everyday meal prep
- 2. PrepNaturals 5 Pack 30oz Glass Meal Prep: Best for simple single-compartment meals
- 3. C CREST [10 Pack] Glass Meal Prep: Best for a large household supply
- 4. Skroam 10 Pack Glass Meal Prep Containers: Best for compact 22-oz portions
- 5. M MCIRCO 5 Pack: Best for divided portions
- 6. KOMUEE 10 Packs 30 oz Glass Meal: Best for repeated 30-oz portions
- 7. FIT Strong & Healthy Glass Meal Prep Containers: Best for mixed compartment layouts
- 8. VERONES 10 PACK Glass Meal Prep Containers: Best for mixed small and large meals
- 9. Ello Duraglass 3.4 Cup Glass Meal Prep: Best for protected glass containers
- What size glass meal prep container should you choose?
- Are glass meal prep containers with lids microwave safe?
- How should you store and care for glass meal prep containers?
- What should you check before buying glass meal prep containers?
- Which glass meal prep containers should you buy?
The best meal prep containers glass buyers can choose are the Rubbermaid Brilliance Glass Food Storage set, because it combines two practical sizes, airtight lids and vented microwave reheating. The other picks cover larger households, divided meals, compact portions and mixed-size storage.
Glass meal prep containers work well for cooking, storing and reheating prepared food in the same base. The main trade-offs are weight, lid care and the need to remove many lids before heating.
If you need broader advice first, read our guide to food storage containers. For a wider roundup, compare these picks with our guide to the best meal prep containers.
Our picks at a glance
-
1
Best for everyday meal prepRubbermaid Brilliance Glass Food Storage set
9.7/10 our score
See it on Amazon -
2
Best for simple single-compartment mealsPrepNaturals 5 Pack 30oz Glass Meal Prep
9.6/10 our score
See it on Amazon -
3
![C CREST [10 Pack] Glass Meal Prep](https://m.media-amazon.com/images/I/81HfSfzlqUL._AC_SL500_.jpg)
Best for a large household supplyC CREST [10 Pack] Glass Meal Prep
9.6/10 our score
See it on Amazon
- 4
Check itSkroam 10 Pack Glass Meal Prep Containers
Best for compact 22-oz portions - 5
Best for divided portionsCheck it - 6
Check itKOMUEE 10 Packs 30 oz Glass Meal
Best for repeated 30-oz portions - 7
Check itFIT Strong & Healthy Glass Meal Prep Containers
Best for mixed compartment layouts - 8
Check itVERONES 10 PACK Glass Meal Prep Containers
Best for mixed small and large meals - 9
Check itEllo Duraglass 3.4 Cup Glass Meal Prep
Best for protected glass containers
How we chose the best meal prep containers glass buyers need
The best glass meal prep containers should match your portion size, weekly cooking volume and food layout first. A set can feel awkward if the capacity is too deep for a lunch bag or too shallow for a full meal.
We compared materials, capacities, set sizes, lid designs, heating guidance, storage and care instructions. That separates sets built for identical daily portions from sets built for varied leftovers and sides.
Our score weighs specs, features and buyer feedback against what you're shopping for.
Capacity mattered because 22 oz serves a different purpose from 34 oz or 36 oz. Smaller bases suit sides and controlled portions, while larger bases fit grains, protein and vegetables together.
Lid rules mattered too. Many glass bases can go in a microwave or oven, but matching lids often cannot, and that changes reheating convenience at home or work.
Set size also mattered. A four pack may suit a single cook, while a 10 pack gives more rotation for batch cooking and family leftovers, but needs more space.
Divided layouts scored for portion control and single compartments for simplicity. Airtight seals help transport, but containers should still stay upright with liquid food.
Rectangular shapes stack and fit shelves more neatly, and nesting saves space when empty. Care, including top rack lid washing, hand washing and removable seals, affected how easy each set is to keep using.
Best glass meal prep containers compared
Rubbermaid leads for a balanced everyday set, while PrepNaturals and C CREST are strong choices when you want repeatable portions or more containers. The difference comes down to how much variety you need in a normal week.
Divided M MCIRCO containers serve a different need by separating foods inside each base. That layout helps when meals combine foods you prefer to keep apart until eating.
Skroam and KOMUEE suit buyers who want a larger supply of matching portions. VERONES and C CREST add small and large sizes for sides, snacks and full meals.
FIT Strong & Healthy sits between single compartment and consistently divided sets. Ello stands apart with silicone sleeves for extra protection around the glass.
Use the table above to compare set size, capacity and lid rules before reading the detailed picks. That quick comparison makes it easier to match a set to your fridge space and meal plan.
| Product | Best for | Set | Sizes | Glass base | Our score |
|---|---|---|---|---|---|
| Rubbermaid Brilliance Glass Food Storage set | everyday meal prep | 4 containers, 8 total pieces | Two 2-cup and two 3.2-cup containers | Oven-safe up to 450 F | 9.7 |
| PrepNaturals 5 Pack 30oz Glass Meal Prep | simple single-compartment meals | 5 containers and 5 lids | 9.6 | ||
| C CREST [10 Pack] Glass Meal Prep | a large household supply | 20 pieces total | Five 12-oz and five 34-oz containers | 9.6 | |
| Skroam 10 Pack Glass Meal Prep Containers | compact 22-oz portions | 10 containers | 9.5 | ||
| M MCIRCO 5 Pack | divided portions | 5 containers | 9.4 | ||
| KOMUEE 10 Packs 30 oz Glass Meal | repeated 30-oz portions | 10 glass containers and 10 plastic lids | 9.2 | ||
| FIT Strong & Healthy Glass Meal Prep Containers | mixed compartment layouts | 4 containers and 4 lids | 8.7 | ||
| VERONES 10 PACK Glass Meal Prep Containers | mixed small and large meals | 10 containers | Five 34-oz and five 12-oz containers | 8.5 | |
| Ello Duraglass 3.4 Cup Glass Meal Prep | protected glass containers | 10 pieces | 8.3 |
1. Rubbermaid Brilliance Glass Food Storage set: Best for everyday meal prep
Rubbermaid Brilliance Glass Food Storage set: Best for everyday meal prep
- 4 containers and 4 lids
- Two 2-cup and two 3.2-cup containers
- Airtight and leak-proof latches
- Vented microwave-safe lids
Rubbermaid combines two practical sizes with airtight latching lids and vented reheating. It suits weekly lunches, leftovers and organized refrigerator storage.
Pros
- Two useful capacities
- Vented lids for reheating
- Modular stacking design
Cons
- Smaller set than 10-pack options
- Lids must be unlatched for microwave reheating
Rubbermaid is the best all-around choice when meals vary in size. The set includes two 2-cup and two 3.2-cup glass containers, so you get smaller and larger bases for sides, lunches and leftovers.
The 8-piece set has four containers and four lids. That suits several prepared meals without a full 10 container supply.
Its modular rectangular design stacks in the fridge or cabinet and makes contents easy to see. Clear latching lids are airtight and leak-proof for carrying food with sauce or moisture.
Built-in vents support splatter-resistant microwave reheating with lids unlatched. Glass bases are oven safe up to 450 F, so they can double as cookware and serveware.
Lids are BPA-free, freezer safe and dishwasher safe on the top rack. StainShield plastic resists stains and odors from foods like tomato sauce.
Choose Rubbermaid for flexible sizes and clear reheating. It suits fewer buyers who need 10 matching containers for identical weekly meals.
2. PrepNaturals 5 Pack 30oz Glass Meal Prep: Best for simple single-compartment meals
PrepNaturals 5 Pack 30oz Glass Meal Prep: Best for simple single-compartment meals
- 5 30-oz containers
- Borosilicate glass
- 1 compartment per container
- Airtight snap-lock lids
Five matching 30-oz containers make portioning simple when you prefer one main compartment. The set is designed for meal prep, storage and transport.
Pros
- Matching 30-oz portions
- Borosilicate glass
- Microwave, oven, freezer and dishwasher safe
Cons
- Single compartment only
- Hand-wash care is specified
PrepNaturals keeps the layout simple with five 30-oz borosilicate glass containers, each with one compartment. That format suits full meals where you do not need to separate vegetables, grains or sauces.
The matching size makes portion planning easy. You can fill each container the same way and keep lunches consistent through the week.
Five containers can cover several prepared lunches while keeping the set compact compared with 10-pack options. That smaller supply also takes less room in cabinets and the refrigerator.
Each container comes with an airtight snap-lock lid. The seal helps keep food fresh and reduces spills during short trips to work or the gym.
The containers are described as microwave, oven, freezer and dishwasher safe. The care instructions specify hand washing, so use that method for the set as directed.
Borosilicate glass gives the bases a sturdy feel for repeated use. Glass also avoids the odor and stain absorption that can affect plastic over time.
Remove or manage the lids according to the heating directions for your meal. Testing the lid rule before reheating keeps steam control simple.
Pick PrepNaturals when identical 30-oz portions are more useful than multiple sizes. For divided meals, M MCIRCO or FIT Strong & Healthy offers a better layout.
3. C CREST [10 Pack] Glass Meal Prep: Best for a large household supply
C CREST [10 Pack] Glass Meal Prep: Best for a large household supply
- 10 containers and 10 lids
- 12-oz and 34-oz sizes
- Borosilicate glass
- Stackable nesting design
C CREST gives you both small and large containers in one 20-piece set. The two sizes work for snacks, sides, full meals and leftovers.
Pros
- 10-container supply
- Two capacities
- Nests for storage
Cons
- Lids must be removed for heating
- Lid hand washing is preferred
C CREST gives you 10 containers and 10 lids, with five 12-oz containers and five 34-oz containers. That mix covers small sides, snacks and larger prepared meals without requiring separate sets.
The 12-oz bases work well for fruit, vegetables, sauces and smaller leftovers. The 34-oz bases leave more room for a full lunch or dinner portion.
The borosilicate glass containers are microwave, oven, freezer and dishwasher safe. The lids are not for microwave or oven use, so remove them before heating.
The containers nest inside each other to save space when empty. Nesting helps in smaller cabinets where stacks of lids and bases can quickly take over.
The snap lids are described as airtight and leak-proof. That helps with transport of prepared food when the container stays upright.
The glass is unleaded and the plastic lids are described as eco-friendly in the product details. BPA-free material features are also listed for the set.
Lid care needs extra attention. The lids can be washed on the top floor of a dishwasher, but hand washing is preferred to help protect the silicone sealing strip.
Choose C CREST if your household needs a large supply with two clear size options. Its lid rules require more attention than Rubbermaid's vented-lid approach.
4. Skroam 10 Pack Glass Meal Prep Containers: Best for compact 22-oz portions
Skroam 10 Pack Glass Meal Prep Containers: Best for compact 22-oz portions
- 10 22-oz containers
- Airtight snap-lock lids
- Removable silicone seals
- Stackable rectangular design
Skroam is a useful match for smaller prepared meals, side dishes, soups and sauces. Ten matching containers also make it easier to build a repeatable weekly meal system.
Pros
- 10 matching containers
- Compact 22-oz size
- Airtight and leak-proof lid design
Cons
- Lids are not for microwave or oven use
- Dishwasher care excludes lids
Skroam is built around 10 matching 22-oz containers, making it a good fit for smaller lunches, sides, soups, sauces and controlled portions. The rectangular design stacks in the refrigerator and freezer.
Ten matching containers make a repeatable system for work, snacks or reheated dinners. BPA-free glass and snap-lock lids with removable silicone seals form an airtight, leak-proof barrier.
Fit the seals correctly after cleaning and check the edge before carrying soup or sauce. A loose seal can reduce seal quality.
The glass is microwave, freezer and dishwasher safe and oven safe up to 752 F. Lids are not for microwave, oven or dishwasher use, so keep them off for heating.
The smaller capacity is the trade-off for large meals. Choose Skroam for compact portions, or KOMUEE if 30 oz is closer to your usual meal size.
5. M MCIRCO 5 Pack: Best for divided portions
M MCIRCO 5 Pack: Best for divided portions
- 5 36-oz containers
- 3 compartments
- Borosilicate glass
- Airtight clip-on lids
M MCIRCO separates a meal inside each 36-oz container, helping keep sides apart from the main portion. It fits meal plans built around repeatable serving layouts.
Pros
- Three compartments
- Largest stated capacity among divided picks
- Stackable design
Cons
- Only five containers
- Lids must be removed before oven or microwave use
M MCIRCO stands out with five 36-oz glass containers divided into three compartments. The layout keeps a main portion and sides separate for planned meals and portion control.
Three sections keep rice, vegetables and protein apart until eating. Borosilicate glass and clip-on lids with silicone seals help make the lids airtight and reduce leaking.
Their rectangular 8 x 6 x 2.7 in shape gives a broad layout for arranging foods side by side. Stacking keeps the refrigerator and cabinets organized.
Containers are microwave, freezer, oven and dishwasher safe. Remove lids before oven or microwave use.
Lids are described as easy to use and resistant to breaking or slowly losing function. Pick M MCIRCO when separation matters, though five containers are fewer than the 10-pack sets.
6. KOMUEE 10 Packs 30 oz Glass Meal: Best for repeated 30-oz portions
KOMUEE 10 Packs 30 oz Glass Meal: Best for repeated 30-oz portions
- 10 30-oz containers
- Borosilicate glass
- Airtight snap-lock lids
- Freezer, microwave, oven and dishwasher safe
KOMUEE offers ten matching 30-oz containers for batch cooking and leftovers. The uniform size works well when most of your meals need similar portions.
Pros
- Large 10-pack
- Matching 30-oz capacity
- Stackable and reusable
Cons
- Lids should be removed for heating
- Care instructions include hand washing
KOMUEE gives you 10 30-oz glass containers, so it suits batch cooking when most meals need the same capacity. The set includes 10 glass containers and 10 plastic lids with silicone seals.
The uniform size makes it simple to plan portions. You can prep a grain, protein and vegetable mix in each container without changing the layout.
The borosilicate glass is described as suitable for the freezer, microwave, oven and dishwasher. Thick, strong glass also helps resist stains and odors from repeated use.
Remove the plastic lids before using the oven, microwave or dishwasher. Top rack or hand washing is recommended for the lids for better maintenance.
Airtight snap locking helps keep prepared meals contained during storage and transport. The silicone seals support that seal when the lids close fully.
The stackable rectangular shape helps organize the refrigerator and cabinet. That shape also makes it easier to pack several containers into a lunch bag or cooler.
The containers can go from refrigerator to microwave or oven to table. That routine reduces the need to transfer food into another dish for reheating.
Choose KOMUEE for a large, uniform set. Its single size is less flexible than C CREST or VERONES if your meal plan includes both snacks and large portions.
7. FIT Strong & Healthy Glass Meal Prep Containers: Best for mixed compartment layouts
FIT Strong & Healthy Glass Meal Prep Containers: Best for mixed compartment layouts
- 4 containers
- Two 2-compartment and two 3-compartment containers
- 32-oz size
- Borosilicate glass
FIT Strong & Healthy gives you two divided layouts in one four-pack. It suits meal plans that need separation but not the same number of sections every day.
Pros
- Two compartment layouts
- 32-oz capacity
- Removable silicone rings
Cons
- Smallest set here
- Lids come off for microwave and oven use
FIT Strong & Healthy includes four 32-oz containers, with two 2-compartment and two 3-compartment designs. That combination gives you two ways to separate food without buying different sets.
The 2-compartment bases suit a main portion plus one side. The 3-compartment bases add room for an extra item like fruit, sauce or a second side.
The borosilicate glass containers use BPA-free plastic snap-lock lids. The lids are described as airtight and leakproof for storage outside the compartments.
Removable silicone rings can be taken out during cleaning, which helps you reach the seal area. That design can make routine cleaning more thorough.
The glass is described as microwave, oven, freezer and dishwasher safe. Remove the lids before microwave or oven use, and place lids on the top rack or wash them by hand.
The 8 x 6.5 x 2.7 inch size gives each container a wide, low profile. That shape fits lunch bags and refrigerator shelves more easily than a deep container.
Corner protection on the snap-locking lid is part of the design. The seal helps prevent leaks outside the container, though it does not separate liquids between compartments.
Choose FIT Strong & Healthy when you want divided portions but prefer a four-pack. M MCIRCO is the stronger match if you want five containers with three sections in every base.
8. VERONES 10 PACK Glass Meal Prep Containers: Best for mixed small and large meals
VERONES 10 PACK Glass Meal Prep Containers: Best for mixed small and large meals
- Five 34-oz and five 12-oz containers
- Borosilicate glass
- BPA-free snap-lock lids
- Stackable design
VERONES balances small and large portions in a 10-pack. Use the 12-oz containers for sides or snacks and the 34-oz containers for full meals.
Pros
- Two useful sizes
- 10-container supply
- Stackable and stain resistant
Cons
- Lids must be removed before heating
- The set uses different container capacities
VERONES combines five 34-oz containers and five 12-oz containers in one 10-pack. The smaller bases suit snacks and sides, while the larger bases leave room for full meals and leftovers.
That two-size mix helps when a meal plan changes from day to day. You can use a small base for a side dish and a large base for the main portion.
The glass containers are described as suitable for the oven, microwave, dishwasher and freezer. Remove the BPA-free snap-lock lids before heating or washing them in a dishwasher.
The snap-lock lids are described as airtight and leak resistant. That design helps protect against spills from soup, sauce and other moist foods.
The containers stack together to save space. Stacking helps keep cabinets and refrigerator shelves organized when you store several prepared meals.
The glass is described as stain resistant and less likely to absorb food flavors. Those traits are useful for tomato-based meals and repeated weekly prep.
Superior quality borosilicate glass is the stated material for the containers. Food can be stored in the glass directly after cooking, which reduces extra dishes.
Pick VERONES when two capacities matter more than identical portions. C CREST offers a similar small-and-large approach with a 20-piece set.
9. Ello Duraglass 3.4 Cup Glass Meal Prep: Best for protected glass containers
Ello Duraglass 3.4 Cup Glass Meal Prep: Best for protected glass containers
- 5 3.4-cup glass containers
- 5 BPA-free locking lids
- Silicone protection sleeves
- Airtight snap-on lids
Ello adds thick silicone sleeves around five 3.4-cup containers. It suits buyers who want larger matching portions with a protective layer around the glass.
Pros
- Protective silicone sleeves
- Airtight lids
- All parts are top-rack dishwasher safe
Cons
- One capacity only
- Sleeves add another part to manage
Ello gives you five 3.4-cup glass containers, five BPA-free locking lids and removable silicone protection sleeves. The sleeves add a protective layer around the glass.
The extra thick silicone sleeve helps protect glass from chips and breaks. That layer helps when containers travel or sit in a crowded fridge.
Snap-on lids are airtight and leak-proof. Crystal clear BPA-free lids make contents easy to see without opening the container.
Containers are oven and microwave safe without lids and are freezer safe. All parts are described as top rack dishwasher safe.
A single 3.4-cup capacity keeps portions consistent for larger lunches and leftovers. It is less flexible for small sides, and sleeves add another part to clean and store.
Do not place hot containers on wet or cold surfaces. Choose Ello for protective sleeves, or Rubbermaid for two capacities and vented lids.
What size glass meal prep container should you choose?
Choose 22–30 oz for smaller or standard portions, 32–36 oz for larger meals, and 12 oz for sides or snacks. A mixed-size set is more useful when your meal plan changes from day to day.
Single-compartment containers work well for meals that can share one space. Divided containers are better when you want vegetables, grains, meat or snacks separated until you eat.
For weekly batch cooking, count how many meals you prepare before choosing the set size. A 10-pack gives more rotation than a four- or five-pack, but it also needs more cabinet and refrigerator space.
Our guide to best reusable meal prep containers covers the broader trade-off between reusable materials, capacity and care.
Are glass meal prep containers with lids microwave safe?
The glass bases in these sets are generally described as microwave safe, but lids need separate attention. C CREST, Skroam, M MCIRCO, KOMUEE, FIT Strong & Healthy and VERONES require lids to be removed before microwave use.
Removing snap-lock lids lets steam escape and avoids pressure building inside. Rubbermaid uses vented lids for splatter-resistant reheating, with latches unlatched.
Ello containers are microwave safe without lids, and sleeves do not change that rule. PrepNaturals lists microwave safe use, with hand washing specified.
Microwave safe does not always mean oven safe at the same temperature. Some glass bases have a stated oven limit, while lids often have stricter limits or no oven use.
Avoid sudden temperature changes from freezer to microwave and follow set guidance. Check whether a lid should be latched, unlatched or fully off before reheating.
When in doubt, remove the lid and use a separate cover if needed. That keeps the glass base safe while you follow the clearest instruction.
How should you store and care for glass meal prep containers?
Let hot glass cool in a controlled way and avoid sudden temperature changes. Remove lids before oven use unless the specific set gives a different instruction, and keep silicone seals clean and correctly seated.
Stack matching shapes when possible, and nest containers that are designed to nest. Store lids separately or place them loosely on containers so the cabinet stays organized without trapping moisture.
If you are comparing glass with plastic, our guide to best plastic meal prep containers explains where lighter containers may fit your routine. For liquid-heavy meals, see our picks for best soup storage containers.
What should you check before buying glass meal prep containers?
Check capacity first, then decide if you need one compartment or divided sections. A 22 oz or 30 oz base suits many single meals, while 34 oz to 36 oz leaves more room for larger portions.
Review lid rules for microwave, oven, freezer, dishwasher and transport. Glass bases and lids often have different limits, so treat them as separate parts.
Airtight lids help with carrying food, but a tight storage seal can trap steam during reheating. If you reheat at work often, a vented lid may be more convenient than full lid removal.
Consider set size and space. A four or five pack may fit a single cook, while a 10 pack supports batch cooking but needs more cabinet and refrigerator room.
Check care for lids and silicone seals, including top rack washing, hand washing and removable rings. Consider weight too, since larger glass containers feel bulky in a lunch bag.
For more storage-focused features, compare best airtight food storage containers. That guide can help if seal quality matters more than reheating.
If you are considering Rubbermaid specifically, read are Rubbermaid containers microwave safe for lid and heating guidance. That detail helps you decide whether vented reheating fits your routine.
Which glass meal prep containers should you buy?
Choose Rubbermaid Brilliance for the best balance of sizes, airtight storage and vented reheating. Its two capacities make it flexible for sides, lunches and leftovers.
Pick PrepNaturals for five matching 30-oz single-compartment meals. That simple layout suits cooks who prefer consistent portions without dividers.
Pick C CREST for 10 containers in small and large sizes. The mix covers snacks, sides and full meals in one set.
Choose M MCIRCO for three-compartment portions in a 36-oz base. That design helps keep a main portion and sides separate.
Choose Skroam for compact 22-oz meals in a 10-pack. The smaller capacity suits sides, soups, sauces and controlled portions.
Choose KOMUEE for ten matching 30-oz containers. That uniform size works well for batch cooking and repeated weekly portions.
VERONES is useful when you want a 12-oz and 34-oz mix. FIT Strong & Healthy offers two divided layouts in a four-pack.
Ello adds silicone sleeves around five larger containers. That protective layer suits buyers who want extra coverage for glass in daily use.
Our top 3 picks at a glance
-
1
Best for everyday meal prep
Rubbermaid Brilliance Glass Food Storage set
9.7/10 our score
See it on Amazon -
2
Best for simple single-compartment meals
PrepNaturals 5 Pack 30oz Glass Meal Prep
9.6/10 our score
See it on Amazon -
3
Best for a large household supply
C CREST [10 Pack] Glass Meal Prep
9.6/10 our score
See it on Amazon
Frequently asked questions
Are glass meal prep containers better than plastic?
Glass meal prep containers are useful when you want a reusable base that does not absorb food flavors or stains as easily. They are often heavier than plastic, so check the container size and your carrying needs.
The lid's heating instructions still matter because many lids must be removed.
Can glass meal prep containers go from the freezer to the microwave?
Some glass meal prep containers are described as freezer and microwave safe, but you should follow the exact heating instructions for the set. Remove lids when required, use vented lids only as directed, and avoid sudden temperature changes that can stress glass.
What size glass container is best for meal prep?
A 22-oz or 30-oz glass container suits many single-meal portions, while 34-oz and 36-oz options leave more room for larger meals. Small 12-oz containers work for sides and snacks.
Divided containers help when you want foods kept separate.
How should you care for glass meal prep containers with lids?
Remove lids before using the oven or microwave unless the set specifically allows the stated lid method. Wash silicone seals and snap-lock lids carefully, use the top rack when allowed, and check that seals sit correctly before carrying liquids.
