Compostable Food Storage Container 5ct vs 3 Sprouts Bento Box: 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
Excellent 100/100
Overall grade
Excellent 92/100
Verdict
Buy
Hazard flags
⚑ 2
Material
Plant-based fiber pulp (compostable)
Confidence
82%
PossibleMicrobe/mold growth if stored damp
PossibleCellulose degradation under repeated hot/wet stress
Sprout
3 Sprouts Bento Box
PFAS grade
Good 70/100
Overall grade
Good 58/100
Verdict
Buy
Hazard flags
⚑ 3
Material
Polypropylene food container with silicone latch
Confidence
72%
PossibleMicroplastic shedding under use stress
PossibleMonomer leaching when heated
PossibleSilicone latch degradation
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 Sprout.
- We flag Microplastic shedding under use stress, Monomer leaching when heated and Silicone latch degradation on the Sprout and not on the Matter.
- The Matter is Plant-based fiber pulp (compostable) where the Sprout is Polypropylene food container with silicone latch, which is most of the difference in these two grades.
- The gap is 30 points, wide enough that this is not a close call, and the Matter is the one to buy.
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