Do Klean Kanteen insulated drink tumblers have PFAS?
Klean Kanteen insulated drink tumblers average 95 out of 100 on PFAS Authority's PFAS and toxin screen across the 6 Klean Kanteen insulated drink tumblers graded as of October 2026, above the 70 out of 100 median for the 25 other insulated drink tumblers brands graded alongside it.
Klean Kanteen insulated drink tumblers average Excellent on our four-band scale. 6 of the 6 we graded are worth buying.
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.
Klean Kanteen insulated drink tumblers worth buying Good or better, best-graded first
Klean Kanteen
20oz TKWide with Café Cap, Tofu
- Stainless steel bottle, stainless steel cap
- The brand calls it PFAS-free, which we have not verified
- Powder-coat cap degradation over time, The powder-coated steel Café Cap can chip or flake with repeated…
3 hazards checked on this product. See all of them.
Klean Kanteen
16oz Rise Tumbler
- Stainless steel body, powder-coat finish
- The brand calls it PFAS-free, which we have not verified
- Powder-coat finish degradation, The exterior powder coat can chip or scratch with impact or repeated…
3 hazards checked on this product. See all of them.
Klean Kanteen
Insulated TKWide Cap
- Stainless steel bottle, plastic cap and silicone gasket
- The brand calls it PFAS-free, which we have not verified
- Silicone gasket degradation and leaching, Silicone gaskets used in food contact applications are generally…
3 hazards checked on this product. See all of them.
Klean Kanteen
Rise Tumbler
- 18/8 stainless steel body, likely stainless steel or silicone lid
- The brand calls it PFAS-free, which we have not verified
- Nickel leaching from stainless steel, 18/8 stainless steel can release trace nickel in acidic beverages over…
2 hazards checked on this product. See all of them.
Klean Kanteen
TKWide Twist Cap Bottle
- Stainless steel body, plastic cap
- The brand calls it PFAS-free, which we have not verified
- Plastic cap degradation from heat stress, Polypropylene caps can weaken or warp if repeatedly exposed to…
2 hazards checked on this product. See all of them.
Klean Kanteen
36oz Rise Tumbler with Straw Lid
- Stainless steel body, likely polypropylene or polyester straw lid
- The brand calls it PFAS-free, which we have not verified
- Polypropylene lid and straw thermal stability, Polypropylene lids can warp, discolor, or release volatile…
2 hazards checked on this product. See all of them.
The same question, asked of the other insulated drink tumblers brands
Best average grade first. Klean Kanteen averages 95.
See every Klean Kanteen product we grade on the Klean Kanteen brand page, or the full insulated drink tumblers ranking.