Byron 2.0 Insulated Travel Mug vs Rambler Tumbler YETI: which is safer?
Rambler Tumbler YETI is the clear pick. Contigo Byron 2.0 Insulated Travel Mug carries a failing PFAS grade, and we never recommend buying a failing product.
Contigo
Byron 2.0 Insulated Travel Mug
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossiblePhthalates in plastic components
PossibleStainless steel nickel leaching
PossiblePlastic degradation and microplastics with heat
Our pick
Yeti
Rambler Tumbler YETI
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleNickel leaching from stainless steel
Where these two actually differ
- We flag Phthalates in plastic components, Stainless steel nickel leaching and Plastic degradation and microplastics with heat on the Contigo and not on the Yeti.
- We flag Nickel leaching from stainless steel on the Yeti and not on the Contigo.
- The Contigo is Stainless steel exterior, BPA-free plastic lid and interior where the Yeti is 18/8 stainless steel, no coating, 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 insulated drink tumblers & travel mugs: see the full ranking