Benni Hot/Cold Food Storage Container with Charms vs Lunch Food Box: which is safer?
Klean Kanteen Lunch Food Box is our pick: better on PFAS and on the overall hazard picture.
Ello
Benni Hot/Cold Food Storage Container with Charms
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleBPA substitutes (BPS/BPF) leaching
PossibleMicroplastics from wear and degradation
ReportedSeal and gasket degradation
Our pick
Klean Kanteen
Lunch Food Box
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleBamboo fiber lid degradation or contaminant absorption
PossibleGasket or seal material composition
PossibleBamboo fiber formaldehyde or chemical treatment residue
Where these two actually differ
- We flag BPA substitutes (BPS/BPF) leaching, Microplastics from wear and degradation and Seal and gasket degradation on the Ello and not on the Klean Kanteen.
- We flag Bamboo fiber lid degradation or contaminant absorption, Gasket or seal material composition and Bamboo fiber formaldehyde or chemical treatment residue on the Klean Kanteen and not on the Ello.
- The Ello is BPA-free plastic food container with charms where the Klean Kanteen is stainless steel with bamboo fiber lid, 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 Klean Kanteen is the one to buy.
Both products run through the same public rubric: 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 lunch boxes & food containers: see the full ranking