Compostable Food Storage Container 5ct vs Tree-less Molded Fiber Compostable Hinged Container: which is safer?
Matter Compostable Food Storage Container 5ct is the clear pick. Tree-less Molded Fiber Compostable Hinged Container carries a failing PFAS grade, and we never recommend buying a failing product.
Our pick
Matter
Compostable Food Storage Container 5ct
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleMicrobe/mold growth if stored damp
PossibleCellulose degradation under repeated hot/wet stress
Tree-less Molded Fiber Compostable Hinged Container
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleUndisclosed water-repellent coating composition
PossibleMicroplastics or coating particles when heated or degraded
PossibleLeaching of coating chemicals with fatty or hot foods
Where these two actually differ
- We flag Microbe/mold growth if stored damp and Cellulose degradation under repeated hot/wet stress on the Matter and not on the .
- We flag Undisclosed water-repellent coating composition, Microplastics or coating particles when heated or degraded, Leaching of coating chemicals with fatty or hot foods and Bacterial or mold growth if stored damp on the and not on the Matter.
- The Matter is Plant-based fiber pulp (compostable) where the is molded fiber (likely wood/agricultural pulp) with undisclosed water/grease-resistant coating, which is most of the difference in these two grades.
- The gap is 75 points, wide enough that this is not a close call, and the Matter is the one to buy.
- We are less certain about the grade, at 45% confidence against 82%, because it discloses less.
Both products run through the same public rubric, which covers materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
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