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#16 of 16

OXO Good Grips 3.5 Cup Smart Seal Airtight Glass Rectangle Food Storage Container

Key Specs

Price

$14.99 USD

Container Material

Borosilicate Glass

Lid Material

BPA-Free Plastic (unspecified)

Max Oven Temperature

425 (estimated)°F

OXO

OXO Good Grips 3.5 Cup Smart Seal Airtight Glass Rectangle Food Storage Container

#16 of 16 food storage containers tested

5.6R3 Score / 10

There are better options - here's why.

Safety

5.494% weight

Efficacy

7.36% weight

Usability

8.61% weight

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The bottom line

What the product listing won't tell you

Know before you buy

OXO does not disclose the specific plastic type used in the lid. While it is BPA-free with a silicone gasket, buyers who want full material transparency should consider alternatives like Glasslock that disclose PP lids.

Buy it if

You need a leakproof container for transporting soups, sauces, or packed lunches

$14.99

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

You want borosilicate glass that can go from freezer to oven without thawing

You prioritize seal performance and are comfortable with OXO's BPA-free claim without specific polymer disclosure

You want a container that stacks neatly in the fridge and nests in the cabinet

Skip if

You want full material transparency on lid composition — OXO does not disclose the specific plastic type
You prefer one-handed convenience — the 4-tab locking mechanism requires two hands
You need a budget-friendly set — at $14.99 per single container, a full set adds up quickly

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 MaterialBPA-Free Plastic (unspecified)

Dishwasher SafeYes

BPA-FreeYes

Efficacy

What determines how well this performs its core job

Max Oven Temperature425 (estimated)°F

Usability

Ease of use, maintenance, and longevity

Price$14.99 USD

Seal TypeLocking Clips

Price Per Piece$14.99 USD

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How we scored it

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

5.4

Safety

Good

7.3

Efficacy

Excellent

8.6

Usability

Good

Material SafetyCritical

94%

7.0▾

R3 Verdict

The borosilicate glass body is the gold standard for food safety — chemically inert and thermally shock-resistant. However, OXO does not disclose the specific plastic used in the lid, which limits the safety score despite the silicone gasket.

Criteria

Container Body Material

10/10

Borosilicate glass is the gold standard for food-contact safety — chemically inert, handles freezer-to-oven transitions without shattering, and zero chemical migration.

Lid Material

2/10

OXO does not disclose the specific plastic type used in the lid. While it includes a silicone gasket and is BPA-free, the lack of material transparency is a concern since the lid contacts your food directly.

BPA-Free

Functional PerformanceImportant

6%

10▾

R3 Verdict

Perfect functional performance. The borosilicate glass handles oven temperatures safely, and the 4-tab locking clip system with silicone gasket creates a genuinely leakproof seal — the best in this category for transport.

Criteria

Oven-Safe Maximum Temperature

10/10

Borosilicate glass goes from freezer to preheated oven without needing to thaw first — full versatility for reheating, baking, and roasting.

Daily UsabilityNice to have

1%

8.0▾

R3 Verdict

Dishwasher safe and stackable, but the 4-tab locking mechanism requires two hands to open and close — a minor daily friction point compared to simpler snap-on designs.

Criteria

Dishwasher Safe

10/10

Both glass container and lid are fully dishwasher safe.

Where to buy

Verified retailer - current pricing

Starting price

$14.99

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: You want full material transparency on lid composition — OXO does not disclose the specific plastic type

Safer materials

Caraway 14-Piece Glass Food Storage Container Set

Caraway

9.7$145

Scores 10.0/10 on material safety vs 7.0 here

Safer materials

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

Glasslock

8.4$45

Scores 8.3/10 on material safety vs 7.0 here

Safer materials

Glasslock 18-Piece Assorted Oven Safe Container Set

Glasslock

8.1$40

Scores 8.0/10 on material safety vs 7.0 here

Safer materials

Pyrex Simply Store 12-Pack Glass Food Storage Containers Set

Pyrex

7.9$28

Scores 8.0/10 on material safety vs 7.0 here

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#16 of 16 food storage containers reviewed

10/10

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

PFAS-Free Lid Seal

5/10

OXO has not published PFAS-free testing for the silicone gasket or lid — common across most brands in this category.

Seal Type

10/10

Four locking tabs with a silicone gasket create a fully leakproof, airtight seal — safe for soups, sauces, and anything you need to transport.

Lid Mechanism Ease

6/10

Four locking tabs require two hands to open and close — slightly frustrating for quick refrigerator access but the trade-off for a leakproof seal.

Stackable Design

10/10

Stacks neatly in the fridge or freezer and nests in the cabinet when stored without lids.