Corkcicle Review, Is Corkcicle Non-Toxic?
Across 7 graded products, Corkcicle averages Good (70/100). On disclosure, the brand says nothing publicly about PFAS. 7 of its products grade Good or better. Grades are model-based estimates, not lab results.
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.
Worth buying from Corkcicle Good or better, best-graded first
Corkcicle
Canteen
Stainless steel with cork detail
Cork contamination or microbial growth
Cork trim can retain moisture and harbor mold or mildew if not dried thoroughly; this is…
Low concern. Stainless steel canteen contains no known PFAS.
⚠Starting grade for this product type
Corkcicle
Cruiser
Stainless steel with cork handle
Cork mold and microbial growth
Cork handles can develop mold if stored wet or in humid conditions; this is a maintenance…
Handle degradation under heat or UV
Cork can dry out, crack, or develop unpleasant odor if exposed to prolonged sunlight or…
Low concern, but the brand doesn't disclose PFAS information.
⚠Starting grade for this product type
Corkcicle
Go Cup XL 30oz Mauve
Stainless steel with plastic lid and gaskets
Plastic lid and gasket material identity
Corkcicle does not publicly identify the plastic resin or additives in the lid or…
Off-gassing from plastic components at elevated temperature
Plastic lids and seals used in insulated drinkware can release volatile organic compounds…
Gasket degradation and bacterial growth
Silicone or rubber gaskets can degrade, harbor water residue, and support mold or…
No coating on record for plastic lid and gaskets creates uncertainty.
⚠Starting grade for this product type
Corkcicle
16 oz Matte Black Canteen
stainless steel with matte powder coat
Coating degradation over time
Powder coatings can chip or peel with heavy use, drops, or aggressive cleaning. Once the…
Off-gassing or odor from new finish
New powder-coated products may emit slight chemical odors for the first few uses as the…
Low concern. Stainless steel canteen unlikely to contain PFAS.
⚠Starting grade for this product type
Corkcicle
Sport Canteen
stainless steel with non-Teflon-type coating insulation
Insulation material off-gassing (VOCs)
Closed-cell foam or polyurethane insulation can release trace volatile organic compounds…
Cap or lid seal material degradation
Non-stainless-steel components (silicone gaskets, plastic seals) may degrade or harbor…
Bacterial growth in insulation or seams
If the seal deteriorates or liquid seeps into the insulation layer, stagnant moisture can…
Lower concern. Stainless steel with non-Teflon-type coating insulation and no coating on record.
⚠Starting grade for this product type
Corkcicle
Leakproof Cruiser Insulated Tumbler with Handle
Stainless steel body, silicone gasket
Silicone gasket degradation and bacterial growth
If the silicone gasket is not removed and dried after each use, or if stored damp, mold…
Low concern. Stainless steel and silicone avoid Teflon-family coating risk.
⚠Starting grade for this product type
Corkcicle
TUMBLER
Double-wall stainless steel with plastic lid/plug
Plastic lid/plug composition and leaching
The material identity and manufacturing process of the plastic lid and plug are not…
Bacterial growth in double-wall seal or drainage holes
If the tumbler has a drainage port or the seal becomes compromised, water or beverage…
Lower concern. Stainless steel body and plastic parts with no disclosed coating.
⚠Starting grade for this product type
Corkcicle and PFAS, common questions
- Does Corkcicle have PFAS?
- We graded 7 Corkcicle products, averaging Good (70/100). 7 grade Good or better. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is Corkcicle non-toxic?
- Corkcicle Canteen is the highest-graded Corkcicle product we have scored, at 70/100. It depends on the product line rather than the brand, so check the grade of the exact item you are buying.
- Which Corkcicle products are lower concern for PFAS?
- The highest-graded Corkcicle products we have scored are Corkcicle Canteen, Corkcicle Cruiser, Corkcicle Go Cup XL 30oz Mauve. That is our model-based estimate from materials and public disclosure, not a lab test.
Every grade uses the same public rubric. How grades work →