Do Mira portable water bottles have PFAS?
Mira portable water bottles average 74 out of 100 on PFAS Authority's PFAS and toxin screen across the 7 Mira portable water bottles graded as of October 2026, above the 70 out of 100 median for the 13 other portable water bottles brands graded alongside it.
Mira portable water bottles average Good on our four-band scale. 7 of the 7 we graded are worth buying. That is above 77% of the portable water bottles brands we grade.
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
Mira portable water bottles worth buying Good or better, best-graded first
Mira
Double Vacuum Insulated Stainless Steel Water Bottle
- stainless steel (bare, no known coatings)
- We found no PFAS statement from the brand
- Silicone gasket and plastic lid degradation, The silicone seals and plastic cap components (likely…
2 hazards checked on this product. See all of them.
Mira
17 Oz Stainless Steel Vacuum Insulated Water Bottle
- Stainless steel interior and exterior, plastic lid/cap
- We found no PFAS statement from the brand
- Plastic lid/cap degradation and leaching, Repeated exposure to hot beverages or dishwasher heat can degrade…
2 hazards checked on this product. See all of them.
Mira
Stainless Steel Vacuum Insulated Water Bottle Leak-proof Double Walled Cola Shape
- Stainless steel double wall, no coating disclosed
- We found no PFAS statement from the brand
- Lid gasket material and bacterial growth, Mira does not disclose lid gasket material (likely silicone or…
2 hazards checked on this product. See all of them.
Mira
Stainless Steel Vacuum Insulated Wide Mouth Water Bottle Thermos Keeps Cold for 24 hours
- Stainless steel body, interior vacuum insulation
- We found no PFAS statement from the brand
- Seal and gasket degradation (bacterial growth risk), The rubber or silicone gasket in the cap can crack or…
3 hazards checked on this product. See all of them.
Mira
Insulated Water Bottles 17 Oz. Lot Of 3. Pink. 24hr Cold, 12hr Hot.
- Stainless steel interior, double-wall insulated construction
- We found no PFAS statement from the brand
- Polymer cap or closure off-gassing, Most insulated bottles include plastic lids or silicone gaskets. While…
2 hazards checked on this product. See all of them.
Mira
Aquamira Frontier Flow Filtered Water Bottle
- Plastic bottle with carbon/activated carbon filter cartridge
- We found no PFAS statement from the brand
- BPA & bisphenols, Mira does not publicly disclose plastic resin type or certification (BPA-free…
3 hazards checked on this product. See all of them.
Mira
Aquamira Shift Filter Bottle
- activated carbon and/or ion exchange filter media, plastic bottle housing
- We found no PFAS statement from the brand
- Bacterial growth in filter media or housing, Activated carbon can harbor bacteria if the bottle is left wet…
4 hazards checked on this product. See all of them.
Better portable water bottles from other brands
Graded higher than the Mira average of 74.
Klean Kanteen
27oz Wide Water Bottle with Loop Cap
- 18/8 stainless steel, no interior coating
- The brand calls it PFAS-free, which we have not verified
- Cap or closure contamination
2 hazards checked on this product. See all of them.
Klean Kanteen
Rise Classic Insulated Water Bottle
- stainless steel body, foam insulation, stainless steel cap
- The brand calls it PFAS-free, which we have not verified
- Cap gasket and seal contamination
Klean Kanteen
Classic Flip Seal Sport Cap
- Stainless steel bottle, plastic flip cap
- The brand calls it PFAS-free, which we have not verified
- Plastic cap degradation and microplastic shedding
3 hazards checked on this product. See all of them.
The same question, asked of the other portable water bottles brands
Best average grade first. Mira averages 74.
See every Mira product we grade on the Mira brand page, or the full portable water bottles ranking.