6 x 9 | 20 oz | Fiber Container (Bottom) 300 per case
Avoid until coating chemistry is publicly disclosed.
This fiber container's water and grease-resistant coating is a mystery. Fiber packaging frequently uses PFAS treatments to block oil and moisture.
The safe swap
Eco-Products
Eco-Products WorldView Renewable Sugarcane Containers 16 oz
85/100 safety
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 container 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.
No PFAS disclosure
The company has not publicly discussed PFAS in this product.
Category baseline
food packaging is a category where PFAS exposure is more common.
Water-resistant coating migration (unspecified chemistry)
Greensafe has not disclosed whether the grease-resistant coating contains PFAS, BPA-derived polymers, or other regulated additives. Without this information, potential migration into fatty or acidic foods cannot be ruled out, particularly with repeated heating or contact with hot liquids.
Coating degradation and particulate leaching
Fiber containers with applied coatings can shed coating fragments if scratched, stacked under pressure, or exposed to moisture for extended periods. This risk is elevated if the coating formulation or adhesion strength is not validated by third-party testing, which Greensafe has not disclosed.
Microorganism growth in uncoated fiber
If the water-resistant coating is compromised, the underlying fiber is prone to mold, mildew, and bacterial colonization, particularly in humid storage or if containers are reused without drying. Greensafe provides no guidance on storage conditions or reuse safety.
Regulatory non-compliance or lack of FDA clearance documentation
Greensafe has not publicly confirmed FDA food-contact substance (FCS) approval for its coating formulation or confirmation that containers meet CFR 176 standards for food-contact surfaces. This documentation gap alone justifies elevation to 'care' tier and due diligence before use.
What’s reassuring
Formaldehyde / VOCs
No public reports of formaldehyde or off-gassing issues specific to Greensafe fiber containers. Fiber-based food packaging typically undergoes lower-temperature processing than textiles, reducing this risk, but formaldehyde-based adhesives in multi-ply constructions remain a theoretical concern if disclosed.
Source: ATSDR ↗The full breakdown
What it's made of and why it matters
This product is a fiber-based food container, likely made from molded pulp or paperboard, with an unspecified water and grease-resistant coating applied to the interior or exterior. The coating chemistry is the critical safety variable: if it relies on PFAS-based repellents (common in food service packaging), it poses contamination risk; if it uses non-PFAS alternatives, the risk is substantially lower. Fiber itself is inert, but the coating's migration potential into fatty or hot foods depends on its formulation, temperature stability, and FDA clearance status, none of which Greensafe has publicly disclosed for this specific SKU.
The brand's record and disclosure
Greensafe has published no accessible safety data sheet, material composition statement, or certification (FDA, Green Seal, or third-party testing) for this container line as of available public records. The brand's silence on PFAS specifically, combined with lack of transparency on coating identity, suggests either use of legacy PFAS formulations or insufficient supply-chain transparency. No major recalls or documented safety incidents are on record for Greensafe fiber containers, but absence of evidence is not evidence of safety given the disclosure gap.
How it compares in its category
Fiber food containers are generally safer than plastic alternatives (no BPA, phthalates, or microplastic risk) when coatings are properly regulated. However, competitors like Footprint, Notpla, and some private-label suppliers now publicly disclose PFAS-free or certified-safe coatings, setting a higher transparency standard. Greensafe's refusal or inability to match this disclosure puts it below market leaders in trustworthiness, even if the actual product risk may be comparable. For bulk commercial or institutional use, the lack of certification is a red flag.
If you buy it
Do not use for prolonged storage of fatty foods (cheese, oils, nuts) or hot liquids above 140F without independent confirmation of coating chemistry. Inspect containers for coating damage, flaking, or water staining before use, as degraded coatings may accelerate leaching. Request a safety data sheet and water-resistant coating name directly from Greensafe before committing to bulk orders; if they cannot or will not provide it, source from a competitor with published disclosure. Store in a cool, dry location to minimize coating stress; discard if softening, odor, or visible wear appears.
What we don’t know
- Basis
- Model estimate, 35% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Greensafe 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
Fiber-based (wood pulp/molded fiber), compostable coating
Proprietary coating chemical migration
Limited concern
Moisture and microbial growth in fiber matrix
Limited concern
Coating degradation under heat or fatty foods
Moderate concern
Recycling contamination if misdisposed
Limited concern
Lower concern with documented PFAS-free commitments, though independent lab confirmation on this specific product absent.
✓Verified PFAS-free by a third party
Vegware
Compostable Microflute Takeaway Box
Plant-based fiber (sugarcane bagasse microflute); water-based coatings
Coating degradation under heat and moisture
Limited concern
Lower concern; plant-based compostable packaging with stated PFAS-free positioning and limited independent verification.
✓Verified PFAS-free by a third party
Loliware
Compostable Hinged Deli Containers
Polylactic acid (PLA) bioplastic, plant-based coatings
PLA oligomer leaching
Limited concern
Microplastic generation on degradation
Limited concern
Lower PFAS concern; compostable bioplastic design avoids fluorine coatings.
✓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.