Compostable Fiber Box 30 oz. vs Compostable Food Storage Container 5ct: which is safer?
Matter Compostable Food Storage Container 5ct is the clear pick. World Centric Compostable Fiber Box 30 oz. carries a failing PFAS grade, and we never recommend buying a failing product.
World Centric
Compostable Fiber Box 30 oz.
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleGrease/water-resistant coating composition (non-PFAS focus)
PossibleMicroplastic or coating particle shedding during use
PossibleMigration of coating additives in acidic or oily foods
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
Where these two actually differ
- We flag Grease/water-resistant coating composition (non-PFAS focus), Microplastic or coating particle shedding during use and Migration of coating additives in acidic or oily foods on the World Centric and not on the Matter.
- We flag Microbe/mold growth if stored damp and Cellulose degradation under repeated hot/wet stress on the Matter and not on the World Centric.
- The World Centric is Fiber pulp with undisclosed grease/water-resistant coating where the Matter is Plant-based fiber pulp (compostable), 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 World Centric 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 →
More food packaging, see the full ranking