Footprint (EarthBox line) · Food Packaging
Eco-Products 12 oz. World Art Compostable Food Containers 25-ct. pack
Lower concern. Compostable food containers avoid PFAS-prone water/grease barriers by design.
Eco-Products compostable containers are plant-based bioplastics certified for industrial composting, a category that typically avoids PFAS-based coatings.
Brand says: “Footprint/EarthBox line markets compostable containers as PFAS-free; certified compostable products typically avoid fluorinated coatings per industry standards.”
Material
Plant-based bioplastic (PLA and cellulose fiber blend)
Brand disclosure
Brand claims PFAS-free
Lab data
No public lab test
Why this grade
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
Category baseline
food packaging is a category where PFAS exposure is more common.
Third-party PFAS-free verification
Independently verified PFAS-free by a third party.
The full breakdown
What it's made of and why it matters
These containers are a blend of polylactic acid (PLA, derived from corn starch) and cellulose fiber, both plant-based polymers designed to degrade in industrial composting environments. PLA is thermoplastic and can soften under heat, but does not contain BPA, phthalates, or the antimony catalysts common in petroleum-based rigid plastics. The cellulose component adds structural integrity while remaining inert in contact with food at typical storage and serving temperatures.
The brand's record and disclosure
Footprint (parent company of Eco-Products) has published third-party compostability certifications (BPI and TUV Austria) and maintains transparent material sourcing documentation. The company explicitly positions these products as PFAS-free and has not faced documented recalls or safety controversies related to food contact. Marketing claims align with verifiable certifications rather than unsubstantiated greenwashing.
How it compares in its category
This product avoids the PFAS-laden water and grease barriers found in conventional coated paper containers, eliminating a major chemical exposure pathway for food contact. Compared to polystyrene (foam) or conventional polypropylene takeout containers, PLA/cellulose blends sidestep antimony leaching and volatile organic compound off-gassing concerns. The trade-off is lower heat tolerance (typically safe to 50 degrees Celsius / 122 degrees Fahrenheit) and inability to be recycled in standard municipal streams.
If you buy it
Do not expose to prolonged heat above 50°C (122°F) or direct flame; these containers are suitable for cold to warm foods but not for microwave reheating or hot liquids. Store in cool, dry conditions to prevent premature degradation. Ensure containers reach a certified industrial composting facility (not backyard compost, which does not reach required temperatures); if composting access is unavailable, these products become landfill waste. Replace if visible warping, cracking, or discoloration occurs, though this is not a safety trigger but a performance indicator.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Microplastics from heating or degradation
PLA can fragment into microparticles if overheated or mechanically stressed, though no established cases of clinically significant human ingestion from compostable food containers have been documented. This risk is primarily relevant if containers are misused at temperatures above design specs (e.g., microwave).
BPA and phthalates
PLA and cellulose blends do not require these additives in their synthesis, and Footprint's material disclosure does not indicate their presence. No recalls or testing reports for this product line have flagged these chemicals.
Heavy metals in pigments or inks
Food-contact surfaces of these containers use plant-based inks and pigments certified for indirect food contact under FDA guidelines. No lead, cadmium, or antimony contamination has been reported for this specific product or brand's manufacturing.
Volatile organic compounds (VOCs) off-gassing
PLA and cellulose do not off-gas the formaldehyde or styrene typical of polystyrene or conventional plastics. Odor complaints on record are minimal and typically relate to manufacturing residuals that dissipate quickly.
Degradation of container integrity over storage
PLA begins to degrade in high humidity or warm storage (above 25°C / 77°F) before use; this does not create food safety hazards but may compromise structural performance. Proper storage in cool, dry conditions mitigates this concern entirely.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 78% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
Formulations and coatings change between production runs. Always check the current label before buying.
More food packaging grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.