Metal Lunchbox Thermos Aladdin vs Lunch Food Box: which is safer?
Klean Kanteen Lunch Food Box is our pick: better on PFAS and on the overall hazard picture.
Aladdin
Metal Lunchbox Thermos Aladdin
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleSilicone and plastic seal degradation
PossibleBacterial or mold growth in seals and threads
PossibleOff-gassing from adhesives or sealants
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 Silicone and plastic seal degradation, Bacterial or mold growth in seals and threads and Off-gassing from adhesives or sealants on the Aladdin 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 Aladdin.
- The Aladdin is Stainless steel body, plastic/silicone components 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