27oz Wide Water Bottle with Loop Cap vs FreeSip Water Bottle - Owala Neo Sage / Stainless Steel / 32oz: which is safer?
Klean Kanteen 27oz Wide Water Bottle with Loop Cap is our pick, better on PFAS and on the overall hazard picture.
Our pick
Klean Kanteen
27oz Wide Water Bottle with Loop Cap
PFAS grade
Excellent 100/100
Overall grade
Excellent 92/100
Verdict
Buy
Hazard flags
⚑ 2
Material
18/8 stainless steel, no interior coating
Confidence
92%
PossibleCap or closure contamination
PossibleBacterial or mold growth from moisture retention
Owala
FreeSip Water Bottle - Owala Neo Sage / Stainless Steel / 32oz
PFAS grade
Excellent 80/100
Overall grade
Good 68/100
Verdict
Buy
Hazard flags
⚑ 3
Material
Stainless steel, no reported coating
Confidence
78%
PossibleSeal and gasket degradation
PossibleStainless steel corrosion (rare)
PossibleBacterial growth in standing water
Where these two actually differ
- We flag Cap or closure contamination and Bacterial or mold growth from moisture retention on the Klean Kanteen and not on the Owala.
- We flag Seal and gasket degradation, Stainless steel corrosion (rare) and Bacterial growth in standing water on the Owala and not on the Klean Kanteen.
- The Klean Kanteen is 18/8 stainless steel, no interior coating where the Owala is Stainless steel, no reported coating, which is most of the difference in these two grades.
Both products run through the same public rubric, which covers 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 portable water bottles, see the full ranking