Stainless Steel Carry Tumbler vs Stainless Vacuum Insulated Tumbler: which is safer?
Zojirushi Stainless Steel Carry Tumbler is our pick: better on PFAS and on the overall hazard picture.
Our pick
Zojirushi
Stainless Steel Carry Tumbler
PFAS grade
A 95/100
Overall grade
A 91/100
Verdict
Buy
Hazard flags
⚑ 1
Material
Stainless steel body, no nonstick or special coating mentioned
Confidence
88%
PossibleSeal and gasket degradation
Zojirushi
Stainless Vacuum Insulated Tumbler
PFAS grade
A 95/100
Overall grade
C 77/100
Verdict
Buy
Hazard flags
⚑ 3
Material
stainless steel exterior, vacuum insulation, plastic interior liner
Confidence
78%
PossiblePlastic interior liner composition and leaching
ReportedBacterial or mold growth in sealed compartments
PossibleLid gasket degradation and replacement availability
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 drink tumblers: see the full ranking