27oz Wide Water Bottle with Loop Cap vs Rise Reflect with Bamboo Cap: 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

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

Klean Kanteen Rise Reflect with Bamboo Cap

Klean Kanteen

Rise Reflect with Bamboo Cap

PFAS grade

Excellent 95/100

Overall grade

Excellent 87/100

Verdict

Buy

Hazard flags

⚑ 2

Material

Stainless steel bottle, bamboo cap

Confidence

78%

PossibleBacterial or mold growth in bamboo cap

PossibleCap adhesives or finishes

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 Klean Kanteen.
  • We flag Bacterial or mold growth in bamboo cap and Cap adhesives or finishes on the Klean Kanteen and not on the Klean Kanteen.
  • The Klean Kanteen is 18/8 stainless steel, no interior coating where the Klean Kanteen is Stainless steel bottle, bamboo cap, which is most of the difference in these two grades.
  • These two are 5 points apart, close enough that price and fit should decide it rather than our grade.

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