27oz Wide Water Bottle with Loop Cap vs Insulated Water Bottles 17 Oz. Lot Of 3. Pink. 24hr Cold, 12hr Hot.: 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

Mira Insulated Water Bottles 17 Oz. Lot Of 3. Pink. 24hr Cold, 12hr Hot.

Mira

Insulated Water Bottles 17 Oz. Lot Of 3. Pink. 24hr Cold, 12hr Hot.

PFAS grade

Good 70/100

Overall grade

Good 62/100

Verdict

Buy

Hazard flags

⚑ 2

Material

Stainless steel interior, double-wall insulated construction

Confidence

75%

PossiblePolymer cap or closure off-gassing

PossibleMicrobial growth from improper cleaning

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 Mira.
  • We flag Polymer cap or closure off-gassing and Microbial growth from improper cleaning on the Mira and not on the Klean Kanteen.
  • The Klean Kanteen is 18/8 stainless steel, no interior coating where the Mira is Stainless steel interior, double-wall insulated construction, which is most of the difference in these two grades.
  • The gap is 30 points, wide enough that this is not a close call, and the Klean Kanteen is the one to buy.

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 portable water bottles: see the full ranking