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Plastic-Free Rating
Kitchen
Mainstream Brand
Kitchen·Pyrex

Freshlock Glass Food Storage Container Set

B
PFR Grade
Good — mostly plastic-free with minor concerns
Primarily glass, which is excellent, but includes BPA-free plastic lids. While BPA-free, other chemicals in plastic can still be a concern. Good for mainstream option.
PFR Recommended

Durable glass containers with airtight, leak-proof BPA-free plastic locking lids. Resists stains and odors. Microwave and freezer safe.

Score Breakdown

How scores are calculated

Materials (40%): How plastic-free the product is — raw materials, construction, and coatings.

Packaging (20%): Is the product packaged in plastic? Is it recyclable?

Transparency (20%): Does the brand disclose ingredients, sourcing, and manufacturing?

Durability (20%): How long does it last? Longer-lasting products reduce plastic waste over time.

Materials
8
Packaging
7
Transparency
7
Durability
8

This is a rating of this specific product only — not the company. Other products from this brand may score differently.

Last updated: April 4, 2026

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Low Exposure Risk — Why This Product Category Matters

Primarily glass, which is excellent, but includes BPA-free plastic lids. While BPA-free, other chemicals in plastic can still be a concern. Good for mainstream option.

Synthetic Plastic Content
%
synthetic plastic by weight

Why We Rated It This Way

Pyrex's Freshlock Glass Food Storage Container Set is made from Glass (container), BPA-free Plastic (lid).

Chemical & Health Analysis

Each chemical of concern is broken down below — what it is, where it comes from in this product, what it does to the body, and who is most at risk.

Contains:BPA-free Plastic
1

Various plastic chemicals

Source

Pyrex Freshlock Glass Food Storage Container Set

Health Risk

Potential leaching of chemicals from plastic lids, even if BPA-free.

Who Is Most At RiskEveryone

All health claims are based on published, peer-reviewed research from the NIH, WHO, IARC, and peer-reviewed journals. This information is for educational purposes and does not constitute medical advice.

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