Double Wall Vacuum Insulated Stainless Steel Food Canister Container with Leak Proof Lid vs Lunch Food Box: which is safer?

Klean Kanteen Lunch Food Box is our pick: better on PFAS and on the overall hazard picture.

Klean Kanteen Double Wall Vacuum Insulated Stainless Steel Food Canister Container with Leak Proof Lid

Klean Kanteen

Double Wall Vacuum Insulated Stainless Steel Food Canister Container with Leak Proof Lid

PFAS grade

Excellent 80/100

Overall grade

Good 72/100

Verdict

Buy

Hazard flags

⚑ 2

Material

Stainless steel body, silicone gasket lid seal

Confidence

82%

PossibleSilicone gasket degradation

PossibleBacterial growth in seal crevices

Our pick

Klean Kanteen Lunch Food Box

Klean Kanteen

Lunch Food Box

PFAS grade

Excellent 100/100

Overall grade

Excellent 88/100

Verdict

Buy

Hazard flags

⚑ 3

Material

stainless steel with bamboo fiber lid

Confidence

78%

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 gasket degradation and Bacterial growth in seal crevices on the Klean Kanteen 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 Klean Kanteen.
  • The Klean Kanteen is Stainless steel body, silicone gasket lid seal where the Klean Kanteen is stainless steel with bamboo fiber lid, which is most of the difference in these two grades.

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