Everyday Tumbler vs Rambler Tumbler YETI: which is safer?
Rambler Tumbler YETI is the clear pick. Stanley Everyday Tumbler carries a failing PFAS grade, and we never recommend buying a failing product.
Stanley
Everyday Tumbler
PFAS grade
D 65/100
Overall grade
F 57/100
Verdict
Skip
Hazard flags
⚑ 2
Material
stainless steel, vacuum insulated
Confidence
82%
PossibleSilicone gasket and lid degradation
PossibleBacterial growth in seals and insulation gaps
Our pick
Yeti
Rambler Tumbler YETI
PFAS grade
B 80/100
Overall grade
C 76/100
Verdict
Buy
Hazard flags
⚑ 1
Material
18/8 stainless steel, no coating
Confidence
82%
PossibleNickel leaching from stainless steel
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 & travel mugs: see the full ranking