PFAS score
Contigo · Insulated Drink Tumblers & Travel Mugs
West Loop 2.0 Leak-Proof Spill-Proof Insulated Travel Mug
Skip until Contigo discloses leak-proof coating composition.
Contigo does not publicly disclose the chemical composition of its leak-proof seal coating. Waterproof travel mug coatings commonly contain PFAS; without transparency, PFAS risk remains unquantified.
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
Stainless steel with unspecified waterproof/leak-proof coating
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Waterproof / stain-resistant treatment
water-repellent coating treatments have historically used PFAS.
Category baseline
cookware is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 45% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
Safer alternatives in Insulated Drink Tumblers & Travel Mugs
Yeti
Rambler Tumbler YETI
18/8 stainless steel, no coating
Lower concern. Bare stainless steel tumbler, no known PFAS risk.
⚠Risky category by default
Contigo
Autoseal West Loop Stainless Steel Travel Mug
stainless steel body, silicone gasket/lid seal
Lower concern. Stainless steel and silicone have minimal PFAS risk.
⚠Risky category by default
Contigo
Cortland Chill 2.0 Stainless Steel Water Bottle
stainless steel, no reported coating
Lower PFAS concern. Bare stainless steel bottle, no known problematic coatings.
⚠Risky category by default
More insulated drink tumblers & travel mugs grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.