#16 of 16

Glasslock Premium 8-Cup/63oz Glass Food Storage Containers (2-Pack)

Key Specs

Price

$29.99 USD

Container Material

Borosilicate Glass

Lid Material

Food Grade PP

Max Oven Temperature

500°F

Glasslock

Glasslock Premium 8-Cup/63oz Glass Food Storage Containers (2-Pack)

#16 of 16 food storage containers tested

5.9R3 Score / 10

There are better options - here's why.

Safety

5.794% weight

Efficacy

7.36% weight

Usability

8.61% weight

The bottom line

What the product listing won't tell you

Know before you buy

At $15 per container, this is 5x more expensive per piece than the Pyrex Simply Store 12-pack. The premium is justified for families who prioritize material safety and transport, but budget-conscious buyers can get safe glass storage for much less.

Buy it if

You want the safest material combination available — borosilicate glass with disclosed food-grade PP lids

Buy on Amazon

We may earn a commission. It doesn't affect our scores.

You need leakproof containers for transporting soups, sauces, or meal prep

You want the highest oven temperature rating in this category at 500°F

You prefer large 8-cup containers for batch cooking and family meal prep

Skip if

You are on a budget — at $15/piece, a full set of containers adds up quickly
You prefer one-handed convenience — the 4-tab locking mechanism requires two hands
You want a variety of container sizes — this set only includes 8-cup containers

What's inside

Specs the product listing doesn't explain

Safety & Materials

What your food and family come into contact with every use

Container MaterialBorosilicate Glass

Lid MaterialFood Grade PP

Dishwasher SafeYes

BPA-FreeYes

Efficacy

What determines how well this performs its core job

Max Oven Temperature500°F

Usability

Ease of use, maintenance, and longevity

Price$29.99 USD

Seal TypeLocking Clips

Price Per Piece$15.00 USD

How we scored it

3 criteria - open any layer to see exactly what we found

5.7

Safety

Very Good

7.3

Efficacy

Excellent

8.6

Usability

Good

Material SafetyCritical

94%

8.3▾

R3 Verdict

The strongest material safety combination in this category: borosilicate glass body paired with food-grade PP lids. Both materials are well-characterized and FDA-approved. The only gap is the lack of PFAS-free disclosure, which is standard across the category.

Criteria

Container Body Material

10/10

Borosilicate glass is the gold standard for food-contact safety — chemically inert, handles extreme temperature changes, and zero chemical migration into your food.

Lid Material

7/10

Food-grade polypropylene lids are FDA-approved and BPA-free by nature — one of the safest and most well-characterized plastics for food contact.

BPA-Free

Functional PerformanceImportant

10▾

R3 Verdict

Perfect functional performance. The borosilicate glass is rated to 500°F — the highest oven rating in this category. Combined with the 4-sided locking clip system, this container goes from freezer to oven and transports leakproof.

Criteria

Oven-Safe Maximum Temperature

10/10

Rated to 500°F — the highest oven temperature in this category. Handles freezer-to-oven transitions, roasting, and baking with ease.

Daily UsabilityNice to have

8.0▾

R3 Verdict

Dishwasher safe and stackable, but the 4-tab locking mechanism requires two hands. The large 8-cup capacity is ideal for meal prep but bulky for everyday fridge access.

Criteria

Dishwasher Safe

10/10

Both glass container and lid are fully dishwasher safe.

Where to buy

Verified retailer - current pricing

Starting price

$29.99

R3 approved retailer Score unaffected by purchase

Buy on Amazon

We earn a small commission on purchases. It never influences our scores - R3 is funded by readers, not brands.

Other Options to Consider

Alternatives that address specific trade-offs

Why this matters: Dishwasher safe and stackable, but the 4-tab locking mechanism requires two hands. The large 8-cup capacity is ideal for meal prep but bulky for every

Better daily usability

Pyrex Simply Store 12-Pack Glass Food Storage Containers Set

Pyrex

7.9$28

Scores 10.0/10 on daily usability vs 8.0 here

Better daily usability

Rubbermaid Brilliance Glass Food Storage Containers (3.2 Cup, Set of 4)

Rubbermaid

6.8$35

Scores 9.0/10 on daily usability vs 8.0 here

Better daily usability

Glad GladWare Entree Food Storage Containers (25 oz, 5 Count - 2 Pack)

Glad

6.6

Scores 10.0/10 on daily usability vs 8.0 here

Better daily usability

Ziploc Food Storage Meal Prep Containers with SmartSnap Technology (Deep Square, 3-Pack)

Ziploc

6.6$5.83

Scores 10.0/10 on daily usability vs 8.0 here

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#16 of 16 food storage containers reviewed

Confirmed BPA-free for both the borosilicate glass container and polypropylene lid.

PFAS-Free Lid Seal

5/10

No PFAS-free testing has been published for the lid seal — common across the entire category. The silicone gasket is not a PFAS risk by material nature.

Seal Type

10/10

Four-sided locking clips with silicone seal create a fully leakproof, airtight closure — safe for soups, sauces, and liquid transport.

Lid Mechanism Ease

6/10

Four locking tabs require two hands to open and close — slightly frustrating for quick access but necessary for the leakproof seal.

Stackable Design

10/10

Rectangular containers stack neatly when lidded — efficient for fridge and pantry organization.