Food Storage Containers, ranked by PFAS safety
15 products graded from Bad to Excellent, safest first. 14 grade Good or better and are worth buying.
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The best non-toxic food storage containers, ranked safest first
Bad · Better · Best food storage containers
The quickest read, what to skip and the top-graded picks worth buying instead.
Rubbermaid
Rubbermaid Brilliance StainShield Plastic Food Storage Containers
Lower concern for rigid food-storage plastic, but stain-resistance treatment warrants caution without disclosure.
Pyrex
Pyrex Freshlock 10-Piece Glass Storage Set
Lower PFAS concern; glass containers are inherently low-risk; check lid material if possible.
Pyrex
Pyrex Glass Meal Prep Set
Lower PFAS concern; glass meal prep containers are inherently a safer material choice.
Worth buying Good or Excellent, safest first
Pyrex
Glass Meal Prep Set
borosilicate glass with metal lids (likely stainless steel or aluminum)
Metal lid corrosion and leaching
Limited concern
Silicone or rubber gasket degradation
Moderate concern
Thermal shock fracture from glass
Moderate concern
Lower PFAS concern; glass meal prep containers are inherently a safer material choice.
⚠Risky category by default
Pyrex
Freshlock 10-Piece Glass Storage Set
Borosilicate glass containers with plastic lids (PP/TPE closure material unspecified)
Microplastics
Limited concern
Additive migration from plastic lids
Limited concern
Glass breakage and physical injury
Moderate concern
Bacterial growth in degraded or poorly sealed lids
Limited concern
Lower PFAS concern; glass containers are inherently low-risk; check lid material if possible.
⚠Risky category by default
Pyrex
6-Piece Food Storage Container Set
borosilicate glass with plastic lids
Plastic lid degradation and replacement necessity
Limited concern
Microplastic shedding from lids under heat stress
Limited concern
Undisclosed chemicals in lid coatings or gasket materials
Limited concern
Borosilicate glass breakage and cut hazard
Moderate concern
Lower PFAS concern; borosilicate glass containers pose minimal risk; plastic lids warrant standard caution.
⚠Risky category by default
Pyrex
18-Piece Clear Glass Food Storage Container Set
borosilicate glass with plastic lids
PFAS
Limited concern
Seal degradation and bacterial growth
Limited concern
Glass breakage hazard
Moderate concern
Lid staining and odor retention
Moderate concern
Lower PFAS concern; glass containers are inherently safe; plastic lids carry modest risk but no confirmed data.
⚠Risky category by default
Pyrex
Simply Store 6-Piece 2-Cup Glass Storage Container Set with Lids
borosilicate glass container, plastic lids (likely polypropylene or polyethylene)
Plastic lid degradation and microplastic release
Limited concern
Borosilicate glass thermal shock fracture
Limited concern
Lower PFAS concern; glass containers are a solid choice; monitor plastic lid sourcing if you want extra assurance.
⚠Risky category by default
Pyrex
Simply Store 10-Piece Glass Storage Container Set
borosilicate glass containers with plastic lids
BPA & bisphenols
Limited concern
Lid degradation and seal failure
Moderate concern
Microplastic shedding from lids
Limited concern
Lower PFAS concern; glass itself is inherently PFAS-resistant, though plastic lids warrant caution.
⚠Risky category by default
Rubbermaid
Brilliance 20-Piece Food Storage Container Set
Plastic polymer (polypropylene/copolyester blend) with clear lids
Microplastics
Limited concern
Bacterial/mold growth from seal failure
Moderate concern
Coating degradation and lid material leaching
Limited concern
Lower concern for PFAS, but Rubbermaid has not publicly committed to PFAS-free manufacturing.
⚠Risky category by default
Rubbermaid
Brilliance 36-Pc. Food Storage Set
BPA-free plastic (polypropylene/copolyester blend)
Microplastics
Limited concern
Heat-induced leaching
Moderate concern
Lid seal degradation
High concern
Mold/bacterial growth from poor ventilation
Limited concern
Lower concern for food storage; rigid plastic containers unlikely to contain PFAS, but brand discloses nothing about PFAS or coatings.
⚠Risky category by default
Rubbermaid
Flex Seal 28-pc. Food Storage Set
Polypropylene (PP) plastic lids and containers
Microplastic generation from wear
Limited concern
Oligomer leaching under heat or lipid contact
Limited concern
Lid seal degradation
Moderate concern
Lower PFAS concern; standard rigid food storage containers without intentional coatings or treatments.
⚠Risky category by default
OXO
POP Container Baking Set
Plastic (polypropylene/polycarbonate) food storage containers and lids
Microplastic shedding from wear
Limited concern
Lead
Limited concern
Chemical absorption and odor/flavor transfer
Moderate concern
Lower concern; basic plastic food storage without known PFAS triggers, but OXO provides no transparency on coatings or treatments.
⚠Risky category by default
OXO
Good Grips Prep & Go Leakproof Containers
Plastic (polypropylene) container with silicone gasket seal
Microplastics
Limited concern
Coating or adhesive degradation over time
Limited concern
Mold or bacterial growth in gasket seals
Limited concern
Lower concern for typical food-storage use; no confirmed PFAS risk signals, but OXO has not publicly disclosed PFAS policy.
⚠Risky category by default
OXO
Good Grips Prep & Go Container Set
Polypropylene (PP) plastic containers with silicone gaskets
Microplastics
Limited concern
Lower concern; simple plastic food container with no known PFAS triggers, but brand offers no explicit disclosure.
⚠Risky category by default
Rubbermaid
EasyStore Containers with Lids 30-Piece Set
polypropylene (PP) plastic containers and lids
Microplastics
Limited concern
Unreacted monomers and oligomers leaching at elevated temperatures
Limited concern
Lid seal degradation and bacterial colonization
Limited concern
Lower-concern choice; rigid food-storage plastics rarely contain intentional PFAS, but Rubbermaid should clarify.
⚠Risky category by default
Rubbermaid
EasyStore Medium Rectangle Containers 18-Piece Set
polypropylene (PP) plastic containers and lids
Microplastics
Limited concern
Lid seal degradation and mold/bacterial growth
Moderate concern
Lower concern; basic plastic food storage with no known PFAS triggers, but no brand transparency.
⚠Risky category by default
Graded and flagged Poor and Bad, we’d swap these
Rubbermaid
Brilliance StainShield Plastic Food Storage Containers
Polypropylene (PP) plastic with stain-resistant treatment
PFAS
Limited concern
Coating degradation and migration
Moderate concern
Microplastic shedding from wear
Limited concern
Heat-induced leaching from coating
Limited concern
Lower concern for rigid food-storage plastic, but stain-resistance treatment warrants caution without disclosure.
⚠Risky category by default
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