Waterproof Personal Electronics Cases, ranked by PFAS safety

18 products graded A to F, safest first. 3 earn a C or better and are worth buying.

Bad · Better · Best waterproof personal electronics cases

The quickest read: what to skip and the top-graded picks worth buying instead.

AvoidF
Samsung Galaxy A26 5G Waterproof Case

Samsung

Samsung Galaxy A26 5G Waterproof Case

40/100 safety

Waterproof case coating composition unknown, risk unquantified.

BetterB
Galaxy S26 Series Mag Fit Case

Spigen

Galaxy S26 Series Mag Fit Case

85/100 safety

Lower concern phone case, no known PFAS risk identified.

Best pickB
Spigen Cryo Armor Case for iPhone 15 Pro Max

Spigen

Spigen Cryo Armor Case for iPhone 15 Pro Max

85/100 safety

Lower PFAS concern; standard phone case materials lack obvious PFAS indicators.

Worth buying graded C or better, safest first

Spigen Cryo Armor Case for iPhone 15 Pro Max

Spigen

Cryo Armor Case for iPhone 15 Pro Max

TPU (thermoplastic polyurethane) bumper with polycarbonate back panel

B
C
PFASAll
B · Low PFAS3 flags

Lower PFAS concern; standard phone case materials lack obvious PFAS indicators.

Brand says nothing about PFAS

Galaxy S26 Series Mag Fit Case

Spigen

Galaxy S26 Series Mag Fit Case

Thermoplastic polyurethane (TPU) and polycarbonate

B
F
PFASAll
B · Low PFAS4 flags

Lower concern phone case, no known PFAS risk identified.

Brand says nothing about PFAS

Ghostek Nautical Slim Case for MagSafe for Samsung Galaxy S25 Ultra

Samsung

Ghostek Nautical Slim Case for MagSafe for Samsung Galaxy S25 Ultra

Polycarbonate and TPU blend (typical phone case polymers)

B
D
PFASAll
B · Low PFAS3 flags

Lower concern; rigid phone cases rarely use PFAS.

Brand says nothing about PFAS

Graded and flagged D and F, we’d swap these

Iphone14promax Waterproof Case 아이폰14프로맥스 방수케이스

Etuui

Iphone14promax Waterproof Case 아이폰14프로맥스 방수케이스

Plastic/TPU with unspecified waterproof coating

F
F
PFASAll
F · High PFAS4 flags

Waterproof case with unknown coating.

Waterproof or stain-proof treatment

Spigen A610 Universal Waterproof Float Case

Spigen

A610 Universal Waterproof Float Case

TPE (thermoplastic elastomer) with waterproof sealing

F
F
PFASAll
F · High PFAS3 flags

Waterproof phone case; PFAS coating risk unclear, no brand disclosure.

Waterproof or stain-proof treatment

Spigen A611p Waterproof Float Case

Spigen

A611p Waterproof Float Case

TPU plastic with waterproof coating

F
F
PFASAll
F · High PFAS4 flags

Waterproof case coating unknown.

Waterproof or stain-proof treatment

Spigen A601 Universal Waterproof Case

Spigen

A601 Universal Waterproof Case

TPU/silicone waterproof case, unspecified coating/sealant

F
F
PFASAll
F · High PFAS3 flags

Unknown waterproof treatment; Spigen discloses nothing about PFAS.

Waterproof or stain-proof treatment

Spigen Universal Waterproof Phone Case Waterproof

Spigen

Universal Waterproof Phone Case Waterproof

TPU or silicone with unspecified waterproof coating

F
F
PFASAll
F · High PFAS3 flags

Skip until brand discloses waterproof treatment chemistry.

Waterproof or stain-proof treatment

Spigen A603 Waterproof Bag

Spigen

A603 Waterproof Bag

Synthetic fabric with unspecified waterproof coating

F
F
PFASAll
F · High PFAS3 flags

Skip until coating details disclosed; waterproof bags often use PFAS water-repellent coating treatments.

Waterproof or stain-proof treatment

Disney Waterproof Phone Pouch

Etuui

Disney Waterproof Phone Pouch

Plastic pouch with waterproof coating, unspecified

F
F
PFASAll
F · High PFAS3 flags

Skip. Waterproof coating unspecified, PFAS risk unclear.

Waterproof or stain-proof treatment

Fixed Wasserdichtes Telefon

Etuui

Fixed Wasserdichtes Telefon

unknown waterproofing coating on phone case

F
F
PFASAll
F · High PFAS5 flags

Waterproof phone case, coating composition unknown.

Waterproof or stain-proof treatment

Outdoor Products SmartPhone Watertight Phone Case

Etuui

Outdoor Products SmartPhone Watertight Phone Case

Plastic case with unspecified waterproof coating/sealing

F
F
PFASAll
F · High PFAS4 flags

Skip until brand discloses waterproof treatment chemistry.

Waterproof or stain-proof treatment

Universal Phone Waterproof Underwater Case Cover | PET | For Apple iPhone SE | Strap

Etuui

Universal Phone Waterproof Underwater Case Cover | PET | For Apple iPhone SE | Strap

PET plastic with unspecified waterproof coating

F
F
PFASAll
F · High PFAS3 flags

Skip until brand discloses waterproof treatment composition.

Waterproof or stain-proof treatment

Tech-Protect Waterproof Case

Etuui

Tech-Protect Waterproof Case

Waterproof case coating, unspecified

F
F
PFASAll
F · High PFAS5 flags

Skip until brand discloses waterproof chemistry.

Waterproof or stain-proof treatment

Universal Waterproof Phone Pouch

Etuui

Universal Waterproof Phone Pouch

plastic pouch, waterproof coating unspecified

F
F
PFASAll
F · High PFAS4 flags

Skip until brand discloses coating chemistry or provides PFAS testing.

Waterproof or stain-proof treatment

Ethiopia Flag Distressed Waterproof Case for Galaxy S24 Plus

Etuui

Ethiopia Flag Distressed Waterproof Case for Galaxy S24 Plus

TPU or synthetic polymer with waterproof coating, unspecified

F
F
PFASAll
F · High PFAS4 flags

Skip, unknown waterproof treatment chemistry not disclosed.

Waterproof or stain-proof treatment

Samsung Galaxy A17 5G Waterproof Case

Samsung

Galaxy A17 5G Waterproof Case

TPU/plastic with waterproof coating, unspecified

F
F
PFASAll
F · High PFAS3 flags

Waterproof case with unknown coating; limited public PFAS disclosure available.

Waterproof or stain-proof treatment

Samsung Galaxy A26 5G Waterproof Case

Samsung

Galaxy A26 5G Waterproof Case

TPU/silicone blend with waterproof coating

F
F
PFASAll
F · High PFAS4 flags

Waterproof case coating composition unknown, risk unquantified.

Waterproof or stain-proof treatment

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