Compare Food Storage Containers
Glasslock Premium 8-Cup/63oz Glass Food Storage Containers (2-Pack) scores higher on safety - here's why.
The most important dimensions, side by side.
Borosilicate glass is the gold standard for food-contact safety — chemically inert, handles extreme temperature changes, and zero chemical migration into your food.
Borosilicate glass is the gold standard for food-contact safety — chemically inert, handles freezer-to-oven transitions without shattering, and zero chemical migration.
Food-grade polypropylene lids are FDA-approved and BPA-free by nature — one of the safest and most well-characterized plastics for food contact.
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.
Confirmed BPA-free for both the borosilicate glass container and polypropylene lid.
Confirmed BPA-free for both the borosilicate glass container and plastic lid components.
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.
OXO has not published PFAS-free testing for the silicone gasket or lid — common across most brands in this category.
Rated to 500°F — the highest oven temperature in this category. Handles freezer-to-oven transitions, roasting, and baking with ease.
Borosilicate glass goes from freezer to preheated oven without needing to thaw first — full versatility for reheating, baking, and roasting.
Four-sided locking clips with silicone seal create a fully leakproof, airtight closure — safe for soups, sauces, and liquid transport.
Four locking tabs with a silicone gasket create a fully leakproof, airtight seal — safe for soups, sauces, and anything you need to transport.
Both glass container and lid are fully dishwasher safe.
Both glass container and lid are fully dishwasher safe.
Four locking tabs require two hands to open and close — slightly frustrating for quick access but necessary for the leakproof seal.
Four locking tabs require two hands to open and close — slightly frustrating for quick refrigerator access but the trade-off for a leakproof seal.
Rectangular containers stack neatly when lidded — efficient for fridge and pantry organization.
Stacks neatly in the fridge or freezer and nests in the cabinet when stored without lids.
Everything you need to make the call - who each one is for, and who should skip it.
Go for it if you...
You want the safest material combination available — borosilicate glass with disclosed food-grade PP lids
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
You need a leakproof container for transporting soups, sauces, or packed lunches
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
The main thing to know
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.
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.
Skip this if you...
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
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
Neither of these quite what you're looking for?
I've reviewed all Food Storage Containers options at every price pointEvery Food Storage Containers in our database is scored using R3's deterministic scoring system - the same inputs always produce the same score. For this comparison, we evaluated Glasslock and OXO across 3 independent criteria: Safety (94%), Efficacy (6%), Usability (1%). No sponsored rankings. No paid placements.
Straight answers - no sponsored content, no filler.
I'd start with Glasslock Glasslock Premium 8-Cup/63oz Glass Food Storage Containers (2-Pack) - it scored 5.9/10 overall in our scoring system. Safety is our top-weighted scoring pillar, followed by efficacy, and usability. Check which pillar matters most to your family and compare those specific scores.
R3 uses a deterministic scoring system - the same inputs always produce the same score. We evaluate each Food Storage Containers across Safety, Efficacy, Usability using independently verified data. No sponsored rankings. No paid placements. Every score is fully reproducible.
Not necessarily. The overall score reflects our weighted rubric, but your priorities may differ. If you care most about safety, compare the safety scores directly. If budget drives your decision, the prices tell a clearer story. The "right" pick is the one that matches what matters most to your family.
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