Pyrex Simply Store 18-Piece Glass Set vs Glasslock Oven Safe Tempered Glass Set
Pyrex Simply Store 18-Piece Glass Set (#1, best overall) vs Glasslock Oven Safe Tempered Glass Set (#2, best premium): in our Food Storage Containers scoring the Pyrex Simply Store 18-Piece Glass Set totals 9.1/10 and the Glasslock Oven Safe Tempered Glass Set 8.9/10.
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TopsFive comparison scores
Side by side
| Pyrex Simply Store 18-Piece Glass Set | Glasslock Oven Safe Tempered Glass Set | |
|---|---|---|
| Price | $60 | $68 |
| Material | Tempered glass + BPA-free plastic lids | Tempered glass + silicone-sealed PP lids |
| Pieces | 18 (9 containers + 9 lids) | 18 (9 containers + 9 lids) |
| Sizes | 1, 2, 4, 7-cup | — |
| Oven Safe | To 450°F | To 450°F |
| Microwave | Container only | — |
| Seal | — | Airtight snap-lock |
| Made In | — | Korea |
How they differ in real use
Built from our food storage scoring, each product's published specifications, and verified owner feedback — not hands-on testing.
Both the Pyrex Simply Store 18-Piece Glass Set and the Glasslock Oven Safe Tempered Glass Set made our Top 5 Food Storage Containers, at #1 (best overall) and #2 (best premium). Tempered glass that won't stain or absorb odors—goes from freezer to oven to table. The reliable standard. Tempered glass with truly airtight snap-lock lids—best of glass with secure sealing for transport.
We score food storage containers on Seal Quality (35%), Durability (25%), Versatility (20%), Stackability (10%) and Value (10%). On that basis the Pyrex Simply Store 18-Piece Glass Set totals 9.1 out of 10 and the Glasslock Oven Safe Tempered Glass Set 8.9. The widest gap is Versatility, where the Pyrex Simply Store 18-Piece Glass Set scores 10 against 8 for the Glasslock Oven Safe Tempered Glass Set — microwave, freezer, dishwasher. Seal Quality also separates them: 10 for the Glasslock Oven Safe Tempered Glass Set versus 9 for the Pyrex Simply Store 18-Piece Glass Set.
On paper, the specifications that actually differ: Material — Tempered glass + BPA-free plastic lids on the Pyrex Simply Store 18-Piece Glass Set versus Tempered glass + silicone-sealed PP lids on the Glasslock Oven Safe Tempered Glass Set. They match on Pieces and Oven Safe.
Pricing as of February 1, 2026: $60 for the Pyrex Simply Store 18-Piece Glass Set and $68 for the Glasslock Oven Safe Tempered Glass Set, a $8 difference in the Pyrex Simply Store 18-Piece Glass Set's favor. Owners praise the Pyrex Simply Store 18-Piece Glass Set for tempered glass durability and no staining or odors; the most common complaint is heavy. Owners praise the Glasslock Oven Safe Tempered Glass Set for tempered glass and airtight snap-lock lids; the most common complaint is heavy.
Pyrex Simply Store 18-Piece Glass Set
- Tempered glass durability
- No staining or odors
- Microwave/oven safe
- Freezer to oven
- Heavy
- Glass can break
- Lids aren't airtight
Glasslock Oven Safe Tempered Glass Set
- Tempered glass
- Airtight snap-lock lids
- Oven safe to 450°F
- Truly leak-proof
- Heavy
- Lids bulky
- More expensive than Pyrex
Which should you buy?
The Pyrex Simply Store 18-Piece Glass Set is the better fit for microwave reheating and stain-prone foods — it is the higher-scoring pick here, chiefly for Versatility and Value. The Glasslock Oven Safe Tempered Glass Set is the better fit for airtight glass needs and leak-proof transport, and the stronger choice if Seal Quality matters more to you than the overall score. Since the Pyrex Simply Store 18-Piece Glass Set is both the higher scorer and $8 cheaper, the Glasslock Oven Safe Tempered Glass Set only makes sense for airtight glass needs. The Pyrex Simply Store 18-Piece Glass Set is a poor fit for on-the-go use; the Glasslock Oven Safe Tempered Glass Set is a poor fit for weight-sensitive.
Choose the Pyrex Simply Store 18-Piece Glass Set if
- Microwave reheating
- Stain-prone foods
- Oven-to-fridge use
Skip it if
- On-the-go use
- Drop-prone households
Choose the Glasslock Oven Safe Tempered Glass Set if
- Airtight glass needs
- Leak-proof transport
- Meal prep
Skip it if
- Weight-sensitive
- Budget buyers
Common questions
Is the Pyrex Simply Store 18-Piece Glass Set better than the Glasslock Oven Safe Tempered Glass Set?
In our Food Storage Containers ranking the Pyrex Simply Store 18-Piece Glass Set scores higher overall, 9.1 to 8.9, with the biggest advantage in Versatility. The Glasslock Oven Safe Tempered Glass Set is stronger on Seal Quality, so it is the better pick if that matters most to you.
How much more does the Glasslock Oven Safe Tempered Glass Set cost than the Pyrex Simply Store 18-Piece Glass Set?
$8 more as of February 1, 2026: $68 for the Glasslock Oven Safe Tempered Glass Set against $60 for the Pyrex Simply Store 18-Piece Glass Set. Prices move, so the merchant page shows the current figure.
What is the main difference between the Pyrex Simply Store 18-Piece Glass Set and the Glasslock Oven Safe Tempered Glass Set?
The headline spec difference is Material: Tempered glass + BPA-free plastic lids on the Pyrex Simply Store 18-Piece Glass Set versus Tempered glass + silicone-sealed PP lids on the Glasslock Oven Safe Tempered Glass Set. In use, the gap that matters most is Versatility (10 vs 8 in our scoring): microwave, freezer, dishwasher.