Contigo · Insulated Travel Drinkware
Contigo AutoSeal Water Bottle Champagne
Lower concern water bottle, no known PFAS issues reported.
Contigo AutoSeal bottles use Tritan copolyester, a BPA-free plastic without established PFAS concerns. Brand makes no PFAS claims; no public testing data available.
Shop Contigo on Amazon →Material
Plastic bottle (Eastman Tritan copolyester), stainless steel lid
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
Category baseline
other is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
The full breakdown
What it's made of and why it matters
The bottle body is Eastman Tritan copolyester, a thermoplastic engineered to replace polycarbonate without BPA or BPS. Tritan does not hydrolyze or leach under normal beverage conditions and has no known endocrine disruptors added during manufacture. The stainless steel lid minimizes plastic contact with your mouth and reduces surface area for any theoretical degradation. This material combination is considered one of the safer mass-market water bottle options by independent analysts.
The brand's record and disclosure
Contigo does not publish detailed material safety data sheets or third-party testing results for individual SKUs, which is typical for the category but limits transparency. No recalls or documented safety incidents involving this specific model have been reported in FDA or CPSC databases. The brand has not made public commitments to PFAS avoidance, though the product itself shows no evidence of intentional Teflon-family coating use. Contigo's parent company (Newell Brands) has faced minor supply-chain scrutiny but not product safety controversies.
How it compares in its category
Tritan-based bottles rank among the safest single-use plastic bottle materials, alongside glass and stainless steel alternatives. Most competitors in the reusable plastic segment use similar copolyesters or polypropylene (which also lacks major documented hazards). Contigo's AutoSeal design reduces spillage and contact with unlined plastic threads, a minor advantage over open-mouth designs. Price and durability are competitive; the stainless steel lid adds cost but reduces long-term replacement waste.
If you buy it
Do not use in dishwasher heat cycles above 140F or leave in direct sunlight for weeks, as Tritan can soften at extremes (though not leach toxins). Replace the bottle if you notice white stress marks, cracks, or persistent odors after washing. Stainless steel lids can develop minor corrosion from acidic beverages over years; hand-wash and dry if possible. The bottle is safe for hot and cold beverages; no heating restrictions apply as with some polycarbonates.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
BPA and structural endocrine disruptors
Tritan copolyester is formulated without BPA or BPS. No studies have documented leaching of estrogenic compounds from virgin Tritan under normal use conditions.
Microplastic shedding
Tritan does degrade microscopically with UV exposure and repeated thermal stress. Risk is low under normal indoor storage but increases if bottle is left in sunlight for extended periods or run through hot dishwashers frequently.
Phthalate plasticizers
Tritan does not require phthalates for flexibility; Eastman's formulation uses alternative plasticizers that are not known endocrine disruptors. No phthalates are intentionally added.
Metal leaching from stainless steel lid
Stainless steel lids can release trace nickel or chromium if scratched or exposed to highly acidic beverages (pH below 3) for months. Risk is minimal for typical water and juice use but measurable in edge cases.
Mold and bacterial growth in cap mechanism
The AutoSeal one-way valve can trap moisture and organic material if not regularly disassembled and dried. Hand-washing and air-drying the lid weekly prevents biofilm buildup.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% 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 Travel Drinkware
Ember
Cold Tumbler
stainless steel with silicone seal
Lower concern; stainless steel tumbler unlikely to contain PFAS.
✓Naturally PFAS-free material
Ember
Tumblers - Set of 4
Stainless steel double-wall insulated
Lower PFAS concern; stainless steel drinkware rarely treated.
✓Naturally PFAS-free material
Ember
Cup 14 oz Slate Black
Ceramic or ceramic-coated stainless steel with heated base
Lower concern. Smart cup uses ceramic coating, not Teflon-type coating nonstick.
✓Naturally PFAS-free material
More insulated travel drinkware 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.