OtterBox Review, Is OtterBox Non-Toxic?
Across 13 graded products, OtterBox averages Excellent (76/100). On disclosure, the brand says nothing publicly about PFAS. 13 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.
Does OtterBox have PFAS, by category
Worth buying from OtterBox Good or better, best-graded first
OtterBox
Defender Series Pro XT Case for iPhone 17 Pro Max
Polycarbonate/TPE hybrid
Polycarbonate brittleness and UV degradation
Over 2-3 years of regular outdoor use, polycarbonate can yellow and become brittle from…
Microplastics
If the case is dropped repeatedly or abraded sharply, microscopic fragments of…
Seal degradation and water ingress
The case's waterproof rating depends on mechanical seals around the screen, charging…
No coating described, and no PFAS statement from the brand.
⚠Brand says nothing about PFAS
OtterBox
Fre Series Waterproof MagSafe Case for iPhone 17
Polycarbonate and elastomer
Elastomer degradation and seal failure
Polycarbonate/elastomer cases lose waterproof function as rubber seals harden, crack, or…
No coating described, and no PFAS statement from the brand.
⚠Brand says nothing about PFAS
OtterBox
iPhone 17 Pro Max, Fre Series Case with MagSafe - Sleek & Stylish - Waterproof iPhone Case up to 2 Meters, IP
Elastomer and polycarbonate
Elastomer degradation and discoloration
Elastomers naturally yellow and soften under UV exposure and heat over 12-24 months of…
Polycarbonate microcracking from impact
Polycarbonate can develop stress cracks at the screen window or corners after repeated…
Gasket and adhesive adhesion loss
Elastomer gaskets and the adhesive securing the MagSafe ring can degrade or separate…
Bacterial growth in seals if wet storage
If the case remains damp in a warm, dark space (e.g., sealed in a bag after water…
No coating described, and no PFAS statement from the brand.
⚠Brand says nothing about PFAS
OtterBox
Fre MagSafe Case for Apple iPhone 16
Polycarbonate
Microplastics
Polycarbonate can photodegrade or crack with age and UV exposure. Visible cracks or…
Bacterial or biofilm growth in seals
Waterproof cases can trap moisture in rubber gaskets if not dried after water exposure.…
No coating described, and no PFAS statement from the brand.
⚠Brand says nothing about PFAS
OtterBox
Defender Pro Case for Apple iPhone 13 Pro Max / 12 Pro Max
Polycarbonate shell, synthetic rubber
Polycarbonate degradation and microplastic shedding
Polycarbonate is durable but can develop microscopic cracks over years of drop impacts…
Seal integrity and bacterial/fungal growth in trapped moisture
The case's waterproof seals can trap moisture if repeatedly submerged or used in…
No coating described, and no PFAS statement from the brand.
⚠Brand says nothing about PFAS
OtterBox
Elevation 16oz Tumbler
Stainless steel, copper lined, powder-coated finish
Seal and gasket materials (unstated)
OtterBox does not specify the material or composition of lid gaskets and seals.…
No coating described, and no PFAS statement from the brand.
⚠Starting grade for this product type
OtterBox
Elevation 20 Tumbler
Stainless steel tumbler with powder coat or polyester exterior
Powder coat or polyester exterior degradation
Prolonged exposure to dishwashers, acidic or hot liquids, or UV light may gradually wear…
Stainless steel leaching (nickel)
Most stainless steel tumblers contain nickel (typically 8-12% in 304 or 18/8 grades).…
Mold and bacterial growth in seals
Double-wall insulated tumblers can trap moisture in the gasket area if not dried…
Stainless steel tumbler with powder coat or polyester exterior, lower concern.
⚠Starting grade for this product type
OtterBox
Elevation Tumbler
Stainless steel, copper lined, powder-coated finish
Powder-coat degradation over time
The exterior powder finish can chip or wear with heavy use or drops, exposing bare…
Stainless steel nickel content
18/8 stainless steel contains approximately 8% nickel, which is leached minimally into…
No coating described, and no PFAS statement from the brand.
⚠Starting grade for this product type
OtterBox
Elevation 28 Sport Bottle
Stainless steel, copper lined, powder-coated finish
Powder-coat finish degradation
OtterBox does not disclose the specific composition of the powder coat. While powder…
Silicone gasket degradation
Silicone seals and caps can degrade with age and thermal cycling, potentially releasing…
No coating described, and no PFAS statement from the brand.
⚠Starting grade for this product type
OtterBox
Elevation Wine Tumbler
stainless steel with vacuum insulation
Gasket and seal leachables
OtterBox does not publicly disclose the material composition of the lid gasket or seal.…
Lower concern, brand hasn't addressed PFAS publicly.
⚠Starting grade for this product type
OtterBox
16 Oz. Otterbox Elevation Core Colors Stainless Steel Tumbler
stainless steel with no disclosed coating
Stainless steel corrosion and pitting
Low-grade stainless or dissimilar-metal contact (e.g., aluminum in lid) can corrode over…
Lid and gasket material degradation
OtterBox tumblers use plastic (likely polypropylene or silicone) gaskets and lids. These…
Double-wall insulation material unknown
The insulating medium between walls is not disclosed; it is likely air or polyurethane…
Bare stainless steel carries minimal PFAS risk.
⚠Starting grade for this product type
OtterBox
Elevation Can Cooler
Stainless steel, copper lined, powder-coated finish
Powder-coat degradation
Repeated scratching, hot-dishwasher cycles, or physical impacts can chip the powder coat…
Lid gasket degradation
Silicone or rubber gaskets on the lid can crack or shrink with age and temperature…
No coating described, and no PFAS statement from the brand.
⚠Starting grade for this product type
OtterBox
Customized Otterbox Elevation Core Color Stainless Steel Tumbler
Stainless steel tumbler, no coating disclosed
BPA & bisphenols
OtterBox does not publicly disclose whether the lid seal and gasket are BPA-free or…
Bacterial growth in sealed insulation layer
The air-gap or foam insulation between walls cannot be cleaned by the consumer. Moisture…
Bare stainless steel carries minimal PFAS concern.
⚠Starting grade for this product type
OtterBox and PFAS, common questions
- Does OtterBox have PFAS?
- We graded 13 OtterBox products, averaging Excellent (76/100). 13 grade Good or better. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is OtterBox non-toxic?
- OtterBox Defender Series Pro XT Case for iPhone 17 Pro Max is the highest-graded OtterBox product we have scored, at 85/100. It depends on the product line rather than the brand, so check the grade of the exact item you are buying.
- Which OtterBox products are lower concern for PFAS?
- The highest-graded OtterBox products we have scored are OtterBox Defender Series Pro XT Case for iPhone 17 Pro Max, OtterBox Fre Series Waterproof MagSafe Case for iPhone 17, OtterBox - iPhone 17 Pro Max, Fre Series Case with MagSafe - Sleek & Stylish - Waterproof iPhone Case up to 2 Meters, IP. 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 →