Elevation Can Cooler vs Stainless Steel King Travel Mug: which is safer?
THERMOS Stainless Steel King Travel Mug is our pick: better on PFAS and on the overall hazard picture.
OtterBox
Elevation Can Cooler
PFAS grade
Good 70/100
Overall grade
Good 59/100
Verdict
Skip
Hazard flags
⚑ 2
Material
Stainless steel, copper lined, powder-coated finish
Confidence
45%
PossiblePowder-coat degradation
PossibleLid gasket degradation
Our pick
Thermos
Stainless Steel King Travel Mug
PFAS grade
Excellent 80/100
Overall grade
Good 68/100
Verdict
Buy
Hazard flags
⚑ 3
Material
Stainless steel interior and exterior, plastic lid
Confidence
82%
PossiblePlastic lid polymer degradation
PossibleGasket/seal material composition
PossibleThermal shock stress on seals
Where these two actually differ
- We flag Powder-coat degradation and Lid gasket degradation on the OtterBox and not on the Thermos.
- We flag Plastic lid polymer degradation, Gasket/seal material composition and Thermal shock stress on seals on the Thermos and not on the OtterBox.
- The OtterBox is Stainless steel, copper lined, powder-coated finish where the Thermos is Stainless steel interior and exterior, plastic lid, which is most of the difference in these two grades.
- We are less certain about the OtterBox grade, at 45% confidence against 82%, because it discloses less.
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 insulated travel mugs: see the full ranking