Waterproof Smartphone Cases, ranked by PFAS safety
15 products graded from Bad to Excellent, safest first. 4 grade Good or better and are worth buying.
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The best non-toxic waterproof smartphone cases, ranked safest first
Bad · Better · Best waterproof smartphone cases
The quickest read, what to skip and the top-graded picks worth buying instead.
Sea to Summit
Sea To Summit Guide Waterproof Case
Wait. Waterproof coating type is undisclosed, PFAS risk unclear.
Mophie
Mophie Juice Pack Battery Case for iPhone 15
No known PFAS use; battery cases rarely require fluorinated coatings.
Worth buying Good or Excellent, safest first
Mophie
Juice Pack Battery Case for iPhone 15
Lithium-ion battery, plastic housing, metal contacts
Lithium-ion battery thermal runaway risk
Limited concern
Electromagnetic field exposure
Limited concern
Counterfeit or degraded battery cell defects
Limited concern
No known PFAS use; battery cases rarely require fluorinated coatings.
⚠Brand says nothing about PFAS
Mophie
Juice Pack Battery Case for iPhone 15 Pro
Lithium-ion battery, plastic housing, rubber grips
Lithium-ion battery thermal runaway
Limited concern
Microplastic shedding from wear
Limited concern
Lower concern; battery cases lack typical PFAS-prone coatings.
⚠Brand says nothing about PFAS
Pelican
Shield Phone Case for Samsung Galaxy S24 Plus
Polycarbonate shell, rubber grip
Polycarbonate thermal degradation and leaching
Limited concern
Rubber grip degradation and allergens
Limited concern
Microplastic shedding from wear
Limited concern
BPA & bisphenols
Limited concern
Lower concern; typical phone case with no suspected PFAS use.
⚠Brand says nothing about PFAS
Pelican
iPhone 15 Pro Protector
Polypropylene and thermoplastic elastomer (phone case)
Phthalates
Limited concern
Microplastic shedding from elastomer wear
Limited concern
Lower concern. Standard phone case materials rarely need PFAS.
⚠Brand says nothing about PFAS
Graded and flagged Poor and Bad, we’d swap these
Mophie
Juice Pack Access Hardshell Battery Case for Apple iPhone 11
Hardshell plastic casing, internal battery
Flame retardants
Limited concern
Lithium-ion battery thermal hazard and electrolyte leakage
High concern
Microplastics
Limited concern
Plastic makeup is unknown.
⚠Undisclosed proprietary coating
Mophie
Juice Pack Battery Case for iPhone 15 Pro Max
Plastic housing, synthetic polymer battery casing, unspecified coatings
BPA & bisphenols
Limited concern
Polymer degradation and leachate release
Limited concern
Battery leakage and chemical exposure risk
Limited concern
Case materials lack public information; PFAS risk remains unclear.
⚠Undisclosed proprietary coating
Pelican
Shield MagSafe Case for iPhone 17 Pro Max
Proprietary thermoplastic polymer with unspecified coatings
Polymer off-gassing (VOC release)
Limited concern
Coating integrity and microleaching
Limited concern
Microplastic shedding over time
Limited concern
Unknown polymer and coatings.
⚠Undisclosed proprietary coating
Mophie
Juice Pack Case for iPhone 17 Pro Max
Plastic housing with unspecified water-resistant coating
Water-resistant coating composition (unknown)
Limited concern
Plastic off-gassing (VOC/volatile organics)
Limited concern
Coating degradation and leaching over time
Limited concern
Microplastic shedding from worn case
Limited concern
Unknown coating composition; Mophie discloses nothing about PFAS.
⚠Waterproof or stain-proof treatment
Mophie
Juice Pack for iPhone 16
Plastic housing, lithium battery, rubber grip, unspecified water-resistant coating
BPA & bisphenols
Limited concern
PFAS
Moderate concern
Lithium battery thermal runaway and electrolyte leakage
Limited concern
Contact dermatitis from coating or grip material
Limited concern
Unknown water-resistant coating; no PFAS disclosure from Mophie.
⚠Waterproof or stain-proof treatment
Mophie
Juice Pack for iPhone 16 Pro
Polymer/plastic battery casing with waterproof coating
PFAS
Limited concern
Lithium-ion battery thermal runaway (general product hazard, not material-specific)
Moderate concern
Unknown waterproof treatment; avoid if PFAS-free is your priority.
⚠Waterproof or stain-proof treatment
Mophie
Juice Pack Case for Apple iPhone 17 Pro
Polymer case with unspecified waterproof/protective coatings
PFAS
Limited concern
Microplastic shedding from coating degradation
Limited concern
Volatile organic compound (VOC) off-gassing from polymer base and coatings
Limited concern
Bacterial or mold growth in seal crevices
Limited concern
Wait for mophie to reveal coating details and PFAS information.
⚠Waterproof or stain-proof treatment
Pelican
Voyager MagSafe Case for Apple iPhone 16e / iPhone 15 / iPhone 14 /
Thermoplastic elastomer (TPE) and polycarbonate with waterproof coating
Undisclosed waterproof coating chemistry
Limited concern
Microplastics
Limited concern
Volatile organic compounds (VOCs) off-gassing
Limited concern
Wait for Pelican to disclose waterproof coating chemistry.
⚠Waterproof or stain-proof treatment
Pelican
Protector MagSafe Case iPhone 17
Thermoplastic elastomer (TPE) or polycarbonate blend with waterproofing treatment
PFAS
High concern
Coating degradation and microplastic shedding
Limited concern
No public PFAS statement.
⚠Waterproof or stain-proof treatment
Sea to Summit
TPU Guide Waterproof Case
TPU (thermoplastic polyurethane) with waterproof treatment
PFAS
Limited concern
TPU thermal degradation and fume release
Limited concern
Coating degradation and secondary exposure
Moderate concern
Fragmentation and microplastic shedding
Limited concern
TPU waterproof case with undisclosed treatment.
⚠Waterproof or stain-proof treatment
Sea to Summit
Guide Waterproof Case
Waterproof case with unspecified water-repellent coating
water-repellent coating volatilization and off-gassing
Limited concern
Coating degradation and microparticle release
Limited concern
Plastic laminate leaching
Limited concern
Skin sensitization from coating additives
Limited concern
Wait. Waterproof coating type is undisclosed, PFAS risk unclear.
⚠Waterproof or stain-proof treatment
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