70/ 100
C
OverallF58/100
White Corrugated Cardboard Pizza Boxes 18x18 inch Clay Coated Lock Corner

Eco-Products · Pizza Boxes

White Corrugated Cardboard Pizza Boxes 18x18 inch Clay Coated Lock Corner

C · Moderate

Lower-concern option; Eco-Products' PFAS-free claim backed by third-party certification.

Verdict: BuyClay-coated cardboard pizza box with established PFAS-free certification; no significant non-PFAS food-contact hazards identified for this material class.

Eco-Products explicitly markets these pizza boxes as PFAS-free and carries MADE SAFE certification, which independently vets products for harmful chemicals including PFAS. While clay coating in food packaging can historically use fluorinated grease-barriers, Eco-Products has publicly committed to non-PFAS water/grease resistance.

Brand says: “Eco-Products pizza boxes are manufactured without PFAS-containing coatings and meet FDA food-contact standards.

MADE SAFE Certified
Shop Eco-Products on Amazon →

Material

Clay-coated corrugated cardboard

Brand disclosure

Brand claims PFAS-free

Lab data

No public lab test

Why this grade

Waterproof / stain-resistant treatment

water-repellent coating treatments have historically used PFAS.

Hurts the grade

Category baseline

food packaging is a category where PFAS exposure is more common.

Hurts the grade

Third-party PFAS-free verification

Independently verified PFAS-free by a third party.

Helps the grade

The full breakdown

What it's made of and why it matters

This product is corrugated cardboard with a clay coating on the interior food-contact surface. Clay coatings serve as grease barriers and are chemically inert, unlike fluorinated polymer coatings (which introduce PFAS). The corrugated structure itself (kraft pulp) is standard and has no established chemical hazard profile for short-term food contact. The lock corner design is a mechanical closure and poses no chemical safety issue.

The brand's record and disclosure

Eco-Products is a subsidiary of Footprint and markets sustainability-focused food service packaging. The brand's PFAS-free claim for this product line is backed by third-party certification (specifically validated against per- and polyfluoroalkyl substance standards). The company has a documented transparency record on materials disclosure and has not faced established recalls or safety controversies for cardboard food packaging. Their messaging emphasizes fluorine-free coatings as a core differentiator.

How it compares in its category

Most pizza boxes historically used aqueous fluorochemical repellent coatings (AFFF-derived formulations containing PFOA-related compounds) or wax layers. Clay-coated alternatives like this one represent a shift toward non-fluorinated barriers, reducing the primary chemical hazard in this category. Uncoated kraft cardboard lacks grease resistance and allows oil migration; clay coating avoids both that problem and PFAS exposure. This product sits at the safer end of the spectrum for routine pizza delivery use.

If you buy it

Use for room-temperature and warm food storage only (pizza, bakery items); do not expose to direct flame or prolonged high heat above 180F, which can degrade the coating. The box is single-use and not intended for reheating food inside the packaging; transfer contents to oven-safe dishware. Replace immediately if the clay coating shows visible cracks, tears, or grease saturation (indicates barrier failure). Store flat and dry to prevent mold growth in humid conditions.

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.”

None known

Mineral coating integrity and potential clay particle migration

Clay coatings in food-contact cardboard are FDA-recognized indirect additives (21 CFR 176.280) and do not migrate at significant levels under normal use. No reported incidents or safety alerts for this specific product or material class.

Possible

Microbial contamination and mold growth

Cardboard is hygroscopic and can retain moisture in humid conditions, supporting mold and bacterial colonization. This is a storage and handling issue, not a manufacturing defect; keep boxes dry and replace if visible growth appears before use.

None known

Ink or printing chemical transfer (if printed)

The product description does not specify ink used; standard food-service cardboard printing inks are regulated and tested for migration. Assume compliance unless product is purchased with unlabeled or non-certified custom printing.

Possible

Thermal degradation of coating at high temperatures

Clay coatings may lose water or develop minor surface changes above 200F, though this does not release hazardous substances. Not recommended for direct oven use; mild degradation at pizza serving temperatures (160-180F) is negligible.

Possible

Grease barrier saturation and secondary packaging failure

Extended contact with very oily foods may eventually saturate the clay layer, causing visible grease bleed-through. This indicates coating failure and potential food leakage, not chemical hazard, but signals replacement timing.

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 pizza boxes 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.