Oasis Go+ 32oz Tumbler with Top Handle and Retracting Straw vs Halo Tumbler: which is safer?
Reduce Halo Tumbler is our pick: better on PFAS and on the overall hazard picture.
Ello
Oasis Go+ 32oz Tumbler with Top Handle and Retracting Straw
PFAS grade
B 85/100
Overall grade
C 73/100
Verdict
Buy
Hazard flags
⚑ 3
Material
Plastic tumbler (BPA-free, likely polypropylene or similar)
Confidence
72%
PossibleCoating degradation and leachate exposure
PossibleMicroplastics from wear and breakdown
PossibleBacterial and mold growth in retracting straw mechanism
Our pick
Reduce
Halo Tumbler
PFAS grade
A 100/100
Overall grade
A 92/100
Verdict
Buy
Hazard flags
⚑ 2
Material
Stainless steel and plastic lid
Confidence
72%
PossiblePlastic lid degradation and replacement
PossibleMicrobial growth in double-wall design
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