PFAS25/ 100Poor
Overall0/ 100Bad
Tree-Less Compostable Molded Fiber Hinged Containers

· Food Packaging

Tree-Less Compostable Molded Fiber Hinged Containers

Poor

Skip until brand reveals coating composition; compostable fiber containers often use PFAS-based barriers.

Verdict · SkipMolded fiber has lower concern than plastic for food contact, but unspecified barrier coating (likely PFAS) and brand silence on composition create uncertainty; use for cold/room-temp only.

Molded fiber food containers are frequently coated with fluorinated compounds to achieve grease and moisture resistance. This brand makes no public disclosure of its barrier coating chemistry.

The better-graded swap

World Centric Compostable Fiber Compost-A-Pak Containers

World Centric

World Centric Compostable Fiber Compost-A-Pak Containers

95/100 safety

95Excellent

Same rubric that flunked this product. The swap earned Excellent.

Still want this one anyway? Check the price on Amazon. We’d swap it.

Material

Molded fiber (tree-less/plant-based) with unspecified water/grease barrier coating

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

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Avocado Vegan Mattress

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Vegan Mattress

100ExcellentPFAS grade
✓ MADE SAFE Certified✓ Global Organic Textile Standard (GOTS)
  • organic cotton, natural latex, coconut coir, recycled steel coils
  • The brand calls it PFAS-free, which we have not verified
  • Heavy metals

2 hazards checked on this product, all on its full breakdown.

What Tree-Less Compostable Molded Containers is made of, ingredients and materials

Molded fiber hinged containers are made from recycled or plant-based cellulose (wood pulp, agricultural residue, or other plant fibers) pressed into shape and dried. The unspecified water and grease barrier coating is the critical unknown, manufacturers typically use either PFAS-based fluorochemicals (PFOA, PFOS alternatives) or, less commonly, wax or bio-based coatings. Since the brand does not publicly disclose the coating chemistry, you cannot confirm whether PFAS is present. The cellulose substrate itself is benign for food contact, but the barrier layer is where leaching risk concentrates.

What’s concerning

♾️

Category baseline

The starting point for this type of product, before anything specific to this product is counted.

75/ 100
♾️

No PFAS disclosure

No public statement from the brand about PFAS in this product.

85/ 100
♾️

Waterproof / stain-resistant treatment

Water-repellent coating treatments have historically used PFAS.

65/ 100
🍳

Barrier coating leachates (unidentified)

The water and grease barrier coating is not specified by brand. Industry standard practice uses PFAS-based fluorochemicals, but without disclosure, leaching risk cannot be quantified. Any coating can migrate into fatty or acidic foods under stress (heat, prolonged contact, acidic fillings).

70/ 100
⚠️

Mold or bacterial growth (storage and composting)

Molded fiber is porous and hygroscopic; if containers are stored in humid conditions or partially wet, mold can develop on the substrate before use. After disposal in compost, contamination risk to end-users is low if composting conditions are managed, but this depends on facility standards.

70/ 100
⏳

Heat-induced degradation and coating breakdown

Molded fiber has a low thermal tolerance (typically 40-50 Celsius before structural failure and coating migration). Microwave use or contact with hot liquids will degrade both substrate and barrier, increasing leaching into food.

20/ 100

What’s reassuring

🫧

Microplastics

Molded fiber itself does not shed microplastics. However, if the coating degrades or flakes, small coating fragments could contaminate food; this is rare under normal use but possible if containers are damaged or exposed to heat.

Source, EPA ↗
95/ 100
✅

Ink or printing chemical leachates

If containers are printed (brand logos, labeling), inks could contain heavy metals or solvents; no recalls or testing data are on record for products, but printing composition is not disclosed.

95/ 100

How is this PFAS grade calculated?

The brand's record and disclosure

The brand maintains minimal public transparency on material composition and barrier coatings. No independent certifications (e.g., from NSF, FDA compliance statements, or third-party testing claims) are listed in available sources. The brand does not address PFAS exposure or commit to PFAS-free formulations. This silence is standard in the compostable packaging sector, where many suppliers use fluorochemical barriers without consumer-facing disclosure, making it impossible to assess safety based on brand reputation alone.

How it compares in its category

Molded fiber containers avoid the BPA and phthalate risks inherent to polystyrene clamshells and plastic hinged boxes. However, the barrier coating is the differentiator in terms of concern level. Competing brands (e.g., Footprint, World Centric) sometimes provide PFAS-free or certified-compostable options with disclosed coatings; others use the same fluorochemical barriers without transparency. Molded fiber is generally considered lower-risk than plastic for food contact, but only if the barrier is non-toxic and the brand is transparent.

If you buy it

Use these containers for cold or room-temperature foods only; do not microwave or expose to heat, which can accelerate leaching from any coating. Replace containers if the surface becomes visibly degraded, wet-spotted, or discolored, as barrier integrity is compromised. Do not re-use repeatedly; these are single-use or limited-use items. If you are concerned about PFAS exposure, contact the brand directly for coating composition or switch to a competitor with published PFAS-free credentials and third-party certification.

What is not known about PFAS in this product?

Basis
Model estimate, 35% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
has made none

Formulations change between production runs, so check the current label. How we grade.

What are the PFAS-free alternatives to Tree-Less Compostable Molded Fiber Hinged Containers?

Matter Compostable Food Storage Container 5ct

Matter

Compostable Food Storage Container 5ct

100ExcellentPFAS grade
✓ BPI Certified Compostable
  • Plant-based fiber pulp (compostable)
  • A third party reports verifying it as PFAS-free
  • Microbe/mold growth if stored damp

2 hazards checked on this product, all on its full breakdown.

Eco Products WorldView Compostable Take-Out Containers EP-SCRC32

Eco-Products

Eco Products WorldView Compostable Take-Out Containers EP-SCRC32

100ExcellentPFAS grade
✓ BPI Certified Compostable
  • Plant-based fiber (compostable sugarcane bagasse)
  • A third party reports verifying it as PFAS-free
  • Bleaching agents and processing residues

3 hazards checked on this product, all on its full breakdown.

Eco-Products WorldView Sugarcane Take-Out Containers

Eco-Products

WorldView Sugarcane Take-Out Containers

100ExcellentPFAS grade
✓ BPI Certified Compostable
  • Sugarcane bagasse (post-consumer fiber)
  • A third party reports verifying it as PFAS-free
  • Cellulose fiber degradation and food contact

2 hazards checked on this product, all on its full breakdown.

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.