PFAS25/ 100Poor
Overall0/ 100Bad
ECOLipak Clamshell Take Out Food Containers Disposable To Go Containers,To Go Boxes for Food Salad

· Food Packaging

ECOLipak Clamshell Take Out Food Containers Disposable To Go Containers,To Go Boxes for Food Salad

Poor

Skip until coating source is disclosed, fiber containers often use PFAS barriers.

Verdict: SkipFiber clamshells with undisclosed water-resistant coatings present unquantified PFAS risk; Footprint's silence on coating chemistry and lack of third-party certification warrant avoidance until transparency improves.

ECOLipak fiber clamshells lack public disclosure about coating composition or PFAS content. Grease-resistant fiber packaging historically relied on long-chain PFAS, though reformulations now exist.

The safe swap

Eco-Products WorldView Renewable Sugarcane Containers 16 oz

Eco-Products

Eco-Products WorldView Renewable Sugarcane Containers 16 oz

85/100 safety

85Excellent

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

Fiber-based clamshell with unspecified water/grease-resistant coating

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

What’s concerning

♾️

Waterproof / stain-resistant treatment

Water-repellent treatments have historically contained PFAS chemicals.

65/ 100
♾️

No PFAS disclosure

The company has not publicly discussed PFAS in this product.

85/ 100
♾️

Category baseline

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

75/ 100
♾️

PFAS

Fiber clamshells typically require synthetic fluorinated barriers for grease resistance; Footprint's undisclosed coating chemistry and lack of PFAS-free certification make presence probable, though unconfirmed.

Source: ATSDR
20/ 100
🍳

Coating migration into fatty/hot foods

Applied polymer barriers on fiber are prone to breakdown under heat, acidity, and lipid contact; migration of coating oligomers or additives into food is documented as a category-wide concern, though specific quantitation for this product is unavailable.

70/ 100
🫧

Microplastics

Synthetic polymer coatings can shed particles over time, especially with mechanical stress or repeated use; molded-fiber containers typically are single-use, limiting this risk, but if reused, degradation becomes a concern.

Source: EPA
70/ 100
⚠️

Bacterial or mold growth on stored containers

Fiber substrates are hygroscopic and can support microbial colonization if stored in damp conditions; this is a handling and storage issue rather than a manufacturing hazard, but relevant for food safety if containers are reused or stored improperly.

70/ 100

What’s reassuring

🍼

BPA & bisphenols

No public reports of BPA/BPS in Footprint fiber containers specifically. Fiber-based coatings typically use polyester or acrylic resins rather than epoxy (the primary BPA source), so this hazard is less likely than in plastic-lined alternatives, but coating formulation is not disclosed.

Source: FDA
95/ 100

The full breakdown

What it's made of and why it matters

ECOLipak clamshells are molded fiber (typically recycled paper pulp) with an applied water and grease-resistant barrier coating. Fiber substrates themselves are low-hazard, but the coating formulation is critical: most commercial food-contact fiber packaging uses synthetic polymeric or wax-based barriers, many historically containing PFAS (PFAS "forever chemicals") as the most effective grease repellent. Without disclosure of the specific coating chemistry, the actual exposure risk cannot be assessed.

The brand's record and disclosure

Footprint markets itself as a sustainability-focused alternative to plastic clamshells but has not publicly disclosed coating formulations, PFAS-free certifications, or third-party testing for their fiber containers. No established recalls or regulatory warnings specific to this product exist on record. The brand's silence on coating sourcing is consistent with limited transparency in the molded-fiber industry, where coating suppliers often guard proprietary formulas and regulatory pressure on PFAS in food contact is still developing.

How it compares in its category

Fiber clamshells occupy a middle ground: they avoid the direct polymer contamination risk of polystyrene or PET clamshells, but their grease-barrier coatings introduce a distinct chemical concern. Most major food-service alternatives (polypropylene, molded cardboard, glass) either have better disclosure practices or use simpler, lower-PFAS-risk coatings. Some competitors (notably some European fiber suppliers) have voluntarily committed to PFAS-free barriers, making Footprint's non-disclosure a relative weakness.

If you buy it

Avoid using these containers for hot, oily, or acidic foods, as heat and lipids can accelerate migration of coating additives into food. Do not microwave. Store dry and use within reasonable shelf life to minimize potential leachate accumulation. Monitor Footprint's public disclosures for coating transparency; if the brand later confirms PFAS-free certification, reassess. For frequent food takeout use, prioritize containers from suppliers with published PFAS-free or fluorine-free coating commitments.

What we don’t know

Basis
Model estimate, 45% 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.

Safer alternatives in Food Packaging

World Centric Compostable Fiber Compost-A-Pak Containers

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Compostable Fiber Compost-A-Pak Containers

Fiber-based (wood pulp/molded fiber), compostable coating

PFAS Grade100Excellent
Overall Grade74Good
🍳

Proprietary coating chemical migration

Limited concern

70
⚠️

Moisture and microbial growth in fiber matrix

Limited concern

70

Coating degradation under heat or fatty foods

Moderate concern

45
⚠️

Recycling contamination if misdisposed

Limited concern

70

Lower concern with documented PFAS-free commitments, though independent lab confirmation on this specific product absent.

Compostable (BPI/ASTM D6868 or equivalent)Certified compostable foodware (third-party verified)

Verified PFAS-free by a third party

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Coating degradation under heat and moisture

Limited concern

70

Lower concern; plant-based compostable packaging with stated PFAS-free positioning and limited independent verification.

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Verified PFAS-free by a third party

Compostable Hinged Deli Containers

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Compostable Hinged Deli Containers

Polylactic acid (PLA) bioplastic, plant-based coatings

PFAS Grade100Excellent
Overall Grade92Excellent
⛏️

PLA oligomer leaching

Limited concern

70
🫧

Microplastic generation on degradation

Limited concern

70

Lower PFAS concern; compostable bioplastic design avoids fluorine coatings.

BPI Certified CompostableMADE SAFE Certified

Verified PFAS-free by a third party

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.