Footprint (EarthBox line) Review, Is Footprint (EarthBox line) Non-Toxic?
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
Across 3 graded products, Footprint (EarthBox line) averages Good (55/100). On disclosure, the brand says nothing publicly about PFAS. 2 of its products grade Good or better. Grades are model-based estimates, not lab results.
Worth buying from Footprint (EarthBox line) Good or better, safest first
Footprint (EarthBox line)
Karat Earth 24oz PLA Hinged Deli Container
PLA (polylactic acid) bioplastic
PLA monomer and oligomer migration
Lactic acid oligomers can migrate into fatty or acidic foods under elevated temperature…
Microplastics
PLA can fragment and shed microparticles if heated to 70°C or higher, or if mechanically…
Degradation and brittleness over storage
PLA degrades faster than polyethylene or polypropylene under UV light, humidity, and warm…
Lower concern; PLA doesn't require PFAS, but verify Footprint's supply chain transparency.
⚠Risky category by default
Footprint (EarthBox line)
ECO-Takeout Single Entree Food Container EC-08 (Jade)
Molded fiber (post-consumer waste) with water-based coating
Microbial growth or mold if reused or stored wet
Molded fiber is porous and can retain moisture; if the container is washed and reused…
Lower concern; third-party certification supports the brand's PFAS-free claim.
⚠Waterproof or stain-proof treatment
Graded and flagged Poor and Bad, we’d swap these
Footprint (EarthBox line)
Inno-Pak INNOBOX EDGE Compostable Kraft
Kraft paper with unspecified water/grease-resistant coating
PFAS
Kraft coating must resist water and oil to function; if not PFAS-based, may contain wax…
Ink or adhesive off-gassing and migration
Kraft boxes often use soy-based or other inks and adhesives for assembly. Migration into…
Degradation and fragmentation during storage or composting
Coated kraft may delaminate if exposed to moisture or temperature swings, shedding…
Skip until coating composition is transparent; compostability doesn't exclude PFAS.
⚠Waterproof or stain-proof treatment
Every grade uses the same public rubric. How grades work →