Do Corkcicle insulated drink tumblers have PFAS?
Corkcicle insulated drink tumblers average 70 out of 100 on PFAS Authority's PFAS and toxin screen across the 7 Corkcicle insulated drink tumblers graded as of October 2026, below the 71 out of 100 median for the 25 other insulated drink tumblers brands graded alongside it.
Corkcicle insulated drink tumblers average Good on our four-band scale. 7 of the 7 we graded are worth buying. That is above 26% of the insulated drink tumblers 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.
Corkcicle insulated drink tumblers worth buying Good or better, best-graded first
Corkcicle
Sport Canteen
- stainless steel with non-Teflon-type coating insulation
- We found no PFAS statement from the brand
- Insulation material off-gassing (VOCs), Closed-cell foam or polyurethane insulation can release trace…
3 hazards checked on this product. See all of them.
Corkcicle
16 oz Matte Black Canteen
- stainless steel with matte powder coat
- We found no PFAS statement from the brand
- Coating degradation over time, Powder coatings can chip or peel with heavy use, drops, or aggressive…
2 hazards checked on this product. See all of them.
Corkcicle
Canteen
- Stainless steel with cork detail
- We found no PFAS statement from the brand
- Cork contamination or microbial growth, Cork trim can retain moisture and harbor mold or mildew if not dried…
Corkcicle
Cruiser
- Stainless steel with cork handle
- We found no PFAS statement from the brand
- Cork mold and microbial growth, Cork handles can develop mold if stored wet or in humid conditions; this is a…
2 hazards checked on this product. See all of them.
Corkcicle
Go Cup XL 30oz Mauve
- Stainless steel with plastic lid and gaskets
- We found no PFAS statement from the brand
- Plastic lid and gasket material identity, Corkcicle does not publicly identify the plastic resin or additives…
3 hazards checked on this product. See all of them.
Corkcicle
TUMBLER
- Double-wall stainless steel with plastic lid/plug
- We found no PFAS statement from the brand
- Plastic lid/plug composition and leaching, The material identity and manufacturing process of the plastic lid…
2 hazards checked on this product. See all of them.
Corkcicle
Leakproof Cruiser Insulated Tumbler with Handle
- Stainless steel body, silicone gasket
- We found no PFAS statement from the brand
- Silicone gasket degradation and bacterial growth, If the silicone gasket is not removed and dried after each…
Better insulated drink tumblers from other brands
Graded higher than the Corkcicle average of 70.
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
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
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
3 hazards checked on this product. See all of them.
The same question, asked of the other insulated drink tumblers brands
Best average grade first. Corkcicle averages 70.
See every Corkcicle product we grade on the Corkcicle brand page, or the full insulated drink tumblers ranking.