Lunch Food Box vs Meal 34oz Food Box: which is safer?

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

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

Klean Kanteen Meal 34oz Food Box

Klean Kanteen

Meal 34oz Food Box

PFAS grade

Excellent 85/100

Overall grade

Excellent 77/100

Verdict

Buy

Hazard flags

⚑ 2

Material

stainless steel container with glass or ceramic lid

Confidence

78%

PossibleCeramic or glass lid degradation

PossibleGasket or seal leachables

Where these two actually differ

  • 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.
  • We flag Ceramic or glass lid degradation and Gasket or seal leachables on the Klean Kanteen and not on the Klean Kanteen.
  • The Klean Kanteen is stainless steel with bamboo fiber lid where the Klean Kanteen is stainless steel container with glass or ceramic 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