Compostable Food Storage Container 5ct vs Earth Eco-Friendly PLA Round Deli Container: which is safer?
Matter Compostable Food Storage Container 5ct is our pick, better on PFAS and on the overall hazard picture.
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
Karat
Earth Eco-Friendly PLA Round Deli Container
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleMicroplastics from thermal degradation
ReportedEnvironmental persistence if mismanaged
PossibleFragility and container brittleness over time
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 Karat.
- We flag Microplastics from thermal degradation, Environmental persistence if mismanaged and Fragility and container brittleness over time on the Karat and not on the Matter.
- The Matter is Plant-based fiber pulp (compostable) where the Karat is PLA (polylactic acid) bioplastic, which is most of the difference in these two grades.
- These two are level, close enough that price and fit should decide it rather than our grade.
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