OtterBox · Insulated Drink Tumblers & Travel Mugs
OtterBox Elevation Wine Tumbler
Lower concern, but brand has not publicly addressed PFAS.
Wine tumbler with stainless steel construction and vacuum insulation, typical for this product type and not inherently PFAS-prone. OtterBox has not disclosed PFAS testing or claims on this item.
The safe swap
Yeti
Rambler Tumbler YETI
80/100 safety
Same rubric that flunked this product. The swap earned its B.
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
stainless steel with vacuum insulation
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
cookware 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 OtterBox Elevation Wine Tumbler is constructed from food-grade stainless steel (typically 18/8 or similar austenitic alloy) with a vacuum-sealed double-wall design for insulation. Stainless steel does not leach metals under normal beverage use because the chromium oxide passive layer prevents iron and nickel migration into liquids at room and warm temperatures. The product contains no ceramic glaze, enamel coating, or Teflon-type coating (Teflon) nonstick surface, eliminating the primary hazard vectors for cookware in this category.
The brand's record and disclosure
OtterBox is primarily known for rugged phone cases and outdoor gear; the brand has not published detailed material safety disclosures or third-party certifications (NSF, FDA) for this tumbler line. No public recalls, contamination reports, or manufacturing controversies involving OtterBox drinkware are on record. The company's silence on PFAS is consistent with many consumer-goods manufacturers that have not yet adopted industry-wide transparency standards, but does not indicate use or non-use of PFAS.
How it compares in its category
Vacuum-insulated stainless steel tumblers are among the lowest-risk cookware and drinkware options because the base material is inert and uncoated. This product sits at parity with mainstream competitors like YETI, Hydro Flask, and Contigo in material safety terms. The primary differentiation is durability and drop-resistance (OtterBox's brand strength), not chemical safety, which favors this choice for active use.
If you buy it
Hand-wash or use standard dishwasher cycles; stainless steel tolerates both safely. Avoid prolonged exposure to acidic beverages (wine, citrus juice) beyond 24 hours if concerns about microabrasion exist, though this is cosmetic rather than a leaching risk. Inspect the seal annually for degradation; a failing vacuum chamber will not affect liquid safety but will compromise insulation. Replace the tumbler only if the stainless steel develops visible rust or pitting, which is rare with quality 18/8 steel.
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.”
Stainless steel leaching (nickel, iron, chromium)
Food-grade stainless steel does not leach metals into beverages at room or warm temperatures due to the passive oxide layer. No reports of leaching from OtterBox tumblers or similar vacuum-insulated stainless steel drinkware exist in public safety literature.
Coating degradation and flaking
This product has no applied enamel, ceramic, or polymer coating. The exterior powder coat or paint (if present) is not food-contact and poses no ingestion hazard. No degradation concerns are documented.
Gasket and seal leachables
OtterBox does not publicly disclose the material composition of the lid gasket or seal. Most vacuum tumblers use silicone or rubber; if the seal contains phthalates or other plasticizers, prolonged contact with hot liquids could theoretically increase migration, though consumer reports of taste or odor contamination from OtterBox drinkware are absent.
Manufacturing contamination (heavy metals in lid hardware)
Lid hardware (typically stainless or aluminum screws and hinges) is not food-contact and poses minimal risk. No recalls or contamination reports for OtterBox drinkware exist.
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 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
OtterBox
Elevation 20 Tumbler
Stainless steel tumbler with powder coat or polyester exterior
Lower PFAS concern; stainless steel construction poses minimal risk.
⚠Risky category by default
Stanley
Stanley Quencher H2.0 Flowstate TUMBLER
Stainless steel body, plastic lid and base
Lower PFAS concern. Stainless steel body poses minimal risk.
⚠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.