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OXO Good Grips 3.5 Cup Smart Seal Glass Rectangle Container

OXO Good Grips 3.5 Cup Smart Seal Glass Rectangle Container

4.6· 172 ratings

Best price now

$11.88at WalmartObserved at 8:43 AM

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Our take on the OXO Good Grips 3.5 Cup Smart Seal Glass Rectangle Container

This is a single 3.5-cup rectangular borosilicate glass container with OXO's Smart Seal lid, which uses four locking tabs and a silicone gasket to stay leakproof. The glass goes from freezer to microwave to oven, and the whole thing is dishwasher safe. At $11.88 at Walmart as of November 4, 2026, it sits at the low end of what this size typically sells for, and it is the only new price listed.

Best forPacking leftovers and meal-prep lunchesReheating food without staining or odorFreezer storage and batch cookingAnyone replacing flimsy plastic containers
Pros
  • Borosilicate glass handles oven, microwave and freezer without warping
  • Four-tab Smart Seal lid is genuinely leakproof for soups and sauces
  • Glass resists stains and odors from tomato and curry
  • Rectangular 8 x 5.5 x 3.2 inch shape stacks and fits fridge shelves well
  • Naturally BPA-free with no plastic touching hot food
Cons
  • Glass is heavy and can chip if dropped
  • Lid gasket needs cleaning and can trap residue
  • 3.5 cups is small for family-sized batches
  • Lid is not oven safe, so it must come off for baking

OXO Good Grips 3.5 Cup Smart Seal Glass Rectangle Container prices at every store

  • WalmartNew

    In stock

    $11.88Observed at 8:43 AM
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Also available at

  • The Container StoreCheck price at The Container Store
  • OXOCheck price at OXO

OXO Good Grips 3.5 Cup Smart Seal Glass Rectangle Container price history

Lowest price we've seen: $11.88 on Nov 4 at Walmart. Tracked across 3 stores since Nov 4.

What reviewers say

Owners rate it 4.6 out of 5 across 172 ratings, with most praise going to the seal and the sturdy glass. Complaints tend to focus on weight and lids over time.

Pros
  • Lid seals tightly with no leaks in bags or coolers
  • Glass does not hold onto food smells or stains
  • Stacks neatly and looks good enough to serve from
Cons
  • Heavy compared with plastic containers
  • Lids can crack or the gasket can loosen with heavy use
  • Smaller capacity than expected for the footprint

Specifications

Material
Glass, Borosilicate glass
BPA Free
Yes, Naturally BPA-free
Phthalate Free
PVC Free
Type
Food Storage Container
Freezer Safe
Yes
Microwave Safe
Yes
Dishwasher Safe
Yes
Leak Resistance
Leakproof
Stain Resistance
Stain resistant
Airtight
Yes
Closure Type
Smart Seal lids
Closure Mechanism
Smart Seal
Stackable
Yes
Divided Storage
No
Set
No
Capacity Volume
3.5
Capacity Units
Cup, cups
Depth
3.2"
Height
3.2"
Length
8"
Width
5.5"
Shape
Rectangle
Appliance Compatibility
Oven, Freezer, Microwave
Food Type
Produce, Dry goods, Meats, Prepared foods

Questions and answers

Is the OXO Smart Seal container really leakproof?
Yes. The lid has four locking tabs pressing a silicone gasket against the rim, so it holds liquids like soup or dressing without leaking. Keep the tabs fully locked and the gasket seated.
Can I put the glass base in the oven?
Yes, the borosilicate glass is oven safe, along with microwave and freezer use. The lid is not oven safe, so remove it before baking.
Is $11.88 a good price for this container?
It is a low price for a 3.5-cup OXO glass container, which usually sells closer to the mid-teens. Walmart lists it at $11.88 as of November 4, 2026, and it is the only new price shown.
Does it come as a set?
No. This listing is a single 3.5-cup rectangular container with one lid. Sets are sold separately if you want matching sizes.
Is it dishwasher safe?
Yes. Both the glass base and the lid are dishwasher safe. Placing the lid on the top rack helps the gasket last longer.
Where is the OXO Good Grips 3.5 Cup Smart Seal Glass Rectangle Container cheapest?
At Walmart, for $11.88, as of our latest check.
What do buyers say about the OXO Good Grips 3.5 Cup Smart Seal Glass Rectangle Container?
Rated 4.6 out of 5 from 172 ratings.
Where can I buy the OXO Good Grips 3.5 Cup Smart Seal Glass Rectangle Container?
3 stores we checked sell it, including Walmart, The Container Store, OXO.

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