Stainless Tumbler SX-HA89H-AM vs Stainless Vacuum Insulated Tumbler: which is safer?
Zojirushi Stainless Tumbler SX-HA89H-AM is our pick: better on PFAS and on the overall hazard picture.
Our pick
Zojirushi
Stainless Tumbler SX-HA89H-AM
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleSilicone gasket degradation
PossiblePlastic lid or handle components
Zojirushi
Stainless Vacuum Insulated Tumbler
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
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