Non-Toxic Waterproof Phone Cases, ranked by PFAS grade
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Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product, all on its full breakdown.
Avocado
Vegan Mattress
- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
116 of the 119 waterproof phone cases PFAS Authority has graded reach its 70 point pass mark for PFAS and other toxins, 97.5% of the category, as of October 2026, and 3 score below it. The highest graded is Pela Flaxstic Compostable Phone Case at 100 out of 100.
The full ranking is below, best-graded first, with every score linking to the evidence behind it.
Are waterproof phone cases safe?
116 of the 119 waterproof phone cases we graded come back low-concern on our screen and 3 do not. Our grades are model-based assessments built from published materials, ingredient lists, certifications and brand disclosures, not laboratory tests, so they say what we can evidence rather than that anything is safe.
Best graded waterproof phone cases here
- 1Pela Flaxstic Compostable Phone Case 100 out of 100
- 2Pela Amazon.com: Pela Phone Case 100 out of 100
- 3Pela Amazon.com: Pela: IPhone Case 100 out of 100
Start here
The best non-toxic waterproof phone cases, ranked by grade
Buyer’s guide
What to look for in waterproof phone cases, and which brands grade best and worst
Waterproof Phone Cases, ranked.
The quickest read, what to skip and the top-graded picks worth buying instead.
Geckobrands
Waterproof Phone Tote
Unknown waterproof finish; PFAS risk unconfirmed.
Anker
MagGo Magnetic Case with Stand
Typical phone case, no known PFAS concerns, brand offers no disclosure.
Pela
Flaxstic Compostable Phone Case
Buy. PFAS-free plant material with third-party verification.
Why Pela Flaxstic Compostable Phone Case wins, and what it beats
Every grade on this page is one sum. A category starts from a baseline, each disclosed material or coating adds risk points, and each thing the brand or a third party has published takes them away. Below is that sum for the winner, then for 3 products it beats, so you can see exactly where the 25 points between the top and the bottom of this waterproof phone cases ranking come from.
The winner
Made of Flax fiber and plant-based resin blend, compostable.
- +10Category baseline. The starting point for this type of product, before anything specific to this product is counted.
- -10Base material not linked to PFAS. The main material recorded for this product is not one associated with PFAS.
- -30Third-party PFAS-free verification. A third party reports verifying this product as PFAS-free.
- -40No PFAS found in lab test. No PFAS detected in independent testing.
What the grade does not fix. Nothing specific to this product adds risk, so what remains is the category baseline that every product here starts from, and our graders recorded 2 other hazards on it. See the full breakdown.
What it beats, and why
What puts it behind. No PFAS disclosure, +15 points. No public statement from the brand about PFAS in this product. The winner carries no such factor.
Made of TPU plastic shell, fabric/synthetic lining.
- +15No PFAS disclosure
- +10Category baseline
- -10Base material not linked to PFAS
15risk points, a grade of 85
What puts it behind. Vague safety claims only, +15 points. Uses vague language ("eco-friendly", "clean") without a specific PFAS statement. The winner carries no such factor.
Made of TPU/polycarbonate blend.
- +15Vague safety claims only
- +10Category baseline
- -10Base material not linked to PFAS
15risk points, a grade of 85
What puts it behind. No PFAS disclosure, +15 points. No public statement from the brand about PFAS in this product. The winner carries no such factor.
Made of Thermoplastic polyurethane (TPU) or similar rigid polymer.
- +15No PFAS disclosure
- +10Category baseline
25risk points, a grade of 75
No product on this page was physically tested by us. Every number above comes from published materials, ingredient and coating disclosures, certifications and brand statements, scored on one public rubric. Formulations change without notice, so check the current product listing before buying.
Which waterproof phone cases are PFAS-free? Good or Excellent, best-graded first
- Flax fiber and plant-based resin blend, compostable
- A third party reports verifying it as PFAS-free
- Coating degradation and durability over time
2 hazards checked on this product, all on its full breakdown.
- plant-based bioplastic (flax and other plant fibers)
- A third party reports verifying it as PFAS-free
- Thermal degradation and warping
3 hazards checked on this product, all on its full breakdown.
- Plant-based bioplastic (compostable blend)
- A third party reports verifying it as PFAS-free
- Bioplastic degradation and microparticle shedding
- Plant-based bioplastic composite
- The brand calls it PFAS-free, which we have not verified
- Bioplastic composite durability and surface degradation
2 hazards checked on this product, all on its full breakdown.
- Plant-based bioplastic
- The brand calls it PFAS-free, which we have not verified
- Bioplastic degradation and brittleness over time
- plant-based bioplastic, recycled ocean plastic
- The brand calls it PFAS-free, which we have not verified
- Formaldehyde / VOCs
2 hazards checked on this product, all on its full breakdown.
- TPU plastic shell, fabric/synthetic lining
- We found no PFAS statement from the brand
- TPU plasticizer leaching
3 hazards checked on this product, all on its full breakdown.
- Woven fabric blend, MagSafe magnets
- We found no PFAS statement from the brand
- Nickel leaching from MagSafe magnets
- Woven textile (likely polyester/nylon blend) with elastomer accents
- We found no PFAS statement from the brand
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
Blackview
C03 Leather Protective Case with Shoulder Strap For Active 7/Active 10 Pro
- leather (primary material), shoulder strap
- We found no PFAS statement from the brand
- Lead
5 hazards checked on this product, all on its full breakdown.
- TPU, polycarbonate, recycled plastic
- We found no PFAS statement from the brand
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
- TPE/polycarbonate blend case
- We found no PFAS statement from the brand
- Degradation and microplastic shedding from wear
- Polycarbonate and thermoplastic polyurethane
- We found no PFAS statement from the brand
- Skin irritation or contact dermatitis from materials
- TPU (thermoplastic polyurethane) and polycarbonate blend
- We found no PFAS statement from the brand
- Volatile organic compounds (VOCs) from polymer off-gassing
3 hazards checked on this product, all on its full breakdown.
- Thermoplastic polyurethane (TPU) and polycarbonate
- We found no PFAS statement from the brand
- Coating degradation and microplastic shedding
- TPU, polycarbonate, rubber blend
- We found no PFAS statement from the brand
- TPU degradation and particle shedding
3 hazards checked on this product, all on its full breakdown.
- polycarbonate and thermoplastic polyurethane (TPU)
- We found no PFAS statement from the brand
- TPU degradation and microparticle shedding
2 hazards checked on this product, all on its full breakdown.
- Thermoplastic polyurethane (TPU) and armor shell polymer
- We found no PFAS statement from the brand
- Phthalates
3 hazards checked on this product, all on its full breakdown.
- Thermoplastic polyurethane (TPU), polycarbonate core
- We found no PFAS statement from the brand
- Polycarbonate microleaching under heat stress
3 hazards checked on this product, all on its full breakdown.
- Thermoplastic polyurethane (TPU), polycarbonate composite
- We found no PFAS statement from the brand
- Thermal degradation and off-gassing
2 hazards checked on this product, all on its full breakdown.
- Polycarbonate, silicone, TPE
- We found no PFAS statement from the brand
- Volatile organic compound (VOC) off-gassing
- Polymer plastic housing, internal lithium-ion battery
- We found no PFAS statement from the brand
- Lithium-ion battery thermal runaway risk
3 hazards checked on this product, all on its full breakdown.
Pelican
Voyager MagSafe Case with Holster for Apple iPhone 16e / iPhone 15 / iPhone 14 / iPhone 13
- Polycarbonate and rubberized polymer case with MagSafe attachment
- Rubberized polymer off-gassing (VOCs)
2 hazards checked on this product, all on its full breakdown.
- Polymer blend (likely polycarbonate or TPE), metal accents
- We found no PFAS statement from the brand
- Polymer degradation over time
2 hazards checked on this product, all on its full breakdown.
- 85Mophie Check Case for iPhone 17
- 85Outdoor Products Large SmartPhone Watertight Phone Case
- 85Nite Ize RunOff Waterproof Phone Case
- 85Catalyst iPhone 12 Waterproof Case
- 85Griffin Survivor iPhone Gb36203
- 85Griffin Survivor Waterproof And Catalyst For Iphone 5/ 5s - 4 Colors
- 85LifeProof frē Smartphone Case
- 85LifeProof FRE Case for iPhone 11
- 85LifeProof Fre Case for iPhone 11 Pro
- 85LifeProof FRE Case for iPhone 8 Plus/7 Plus
- 85LifeProof FRE Series Case for iPhone Xs
- 85LifeProof FRE Series Waterproof Case for iPhone 11 PRO MAX Non-Retail Packaging
- 85LifeProof Next Series Case for iPhone 12 & iPhone 12 Pro
- 85LifeProof Next Series Dirt + Drop-Proof Case for iPhone 11 Pro
- 85OtterBox Fre MagSafe Case for Apple iPhone 16
- 85Pelican Marine Waterproof Floating Phone Pouch
- 85Pelican Marine Waterproof Phone Case
- 85Pelican Protector Case for iPhone 17 Pro Max MagSafe
- 85Body Glove Tidal Waterproof Case for Galaxy S25 Ultra
- 85Samsung Body Glove Tidal Waterproof Phone Case for Samsung Galaxy A16 5G
- 85 Galaxy S22 Ultra Waterproof Case
- 85Geckobrands Waterproof Mobile Phone Pouch
- 85 SLOOSH Waterproof Phone Case of Inflatable SUP
- 85SUPCASE Unicorn Beetle Pro Case for iPhone 17 Pro Max
- 85Urban Armor Gear UAG Monarch Case for iPhone 14 Plus
- 85Waterproof Pouch Lewis N Clark WaterSeals Magnetic Waterproof Phone Pouch
- 85Ghostek iPhone 16 Waterproof Case Military Grade 10FT Drop Protection, NAUTICAL
- 85Motorola Body Glove Tidal Waterproof Phone Case for Motorola moto g
- 85Tech21 Evolite Case for Apple iPhone 17 Pro
- 85Tech21 FlexQuartz MagSafe Compatible Case
- 85Pelican Protector Case for Apple iPhone 17 Pro
- 85ANCOVE iPhone 16e Waterproof MagSafe Snowproof Dustproof Shockproof IP68 Certified Real 360 Full
- 85Outdoor Products SmartPhone Watertight Phone Case
- 85Encore Brandz VOS Waterproof Cell Phone Case Green by Encore Brandz
- 85Body Glove Tidal Waterproof Phone Case for iPhone
- 85Body Glove Tidal Waterproof Phone Pouch
- 85CAT Icat Dri Cat Underwater Case for iPhone
- 85CAT Nyan Cat Waterproof Phone Protector Y2k Case Keep It Dry Swim Iphone
- 85CAT Tabby Cat with Flowers by Nene Thomas iPhone 15 Plus Waterproof Case
- 85CAT Underwater Cat Tough Phone Case for iPhone 717 Pro Max Glossy Dual Layer Shockproof Ocean Animal Protective Cover Gift f
- 85Body Glove Tidal Waterproof Phone Case for Samsung A37 5G / A36 5G
- 85Booe Waterproof Phone Case
- 85Catalyst Buy Waterproof Case for iPhone 6s by Catalyst Green Pop
- 85Catalyst Total Protection Waterproof Case for iPhone 13 Pro Max
- 85Ghostek Google Pixel 6 Waterproof, NAUTICAL slim
- 85Ghostek iPhone 16 Series Rugged Full Body MagSafe Cases, NAUTICAL slim
- 85Ghostek Nautical 4 Apple iPhone 14 Pro Max ghocas3186
- 85Incipio Duo for Magsafe for iPhone Air
- 85Incipio Velocity Fog for Magsafe for iPhone 17
- 85LifeProof FRE Magsafe Series Waterproof Case for iPhone 13 Pro
- 85LifeProof Next Series Case for Apple iPhone 13
- 85Mophie Juice Pack Apple iPhone 17 Pro
- 85Mophie Juice Pack Apple iPhone 17 Pro Max
- 85Motorola Body Glove Waterproof Tidal Phone Case for Motorola moto g Play
- 85Motorola for Motorola Moto G 5G 2025 Case with Built-in Screen Protector
- 85Motorola MN-UN4 Universal Waterproof Case for Motorola
- 85OtterBox Defender Pro Case for Apple iPhone 13 Pro Max / 12 Pro Max
- 85Pelican Voyager Case for Galaxy S25
- 85Pelican Voyager Holster Case for iPhone 17
- 85Pelican Voyager Holster Case for iPhone 17 Pro Max
- 85Pelican Voyager iPhone 16 Case MagSafe Rugged
- 85Pelican Voyager Magsafe iPhone 17 Pro
- 85Rugged Armor 360° Protection Rugged Armor Shockproof iPhone Case
- 85Rugged Armor Galaxy S25 Ultra Waterproof Case, Rugged Full-Body Armor
- 85 iPhone 17 Series MagFit Case
- 85 iPhone 5 Waterproof Shockproof Aluminum Metal Armor
- 85 iPhone Case Celare Waterproof Armor iPhone Case For iPhone Series 6-8, 11-13, And More
- 85 MX-IPH-17PMX Waterproof Case for iPhone 17 Pro Max
- 85Punkcase Extreme Series Waterproof Case for iPhone 14
- 85Samsung Body Glove Tidal Waterproof Phone Case for Samsung Galaxy A26 5G
- 85Samsung Body Glove Tidal Waterproof Phone Case for Samsung Galaxy S24 Ultra 5G
- 85Ghostek Nautical S25 Waterproof Case with Belt Clip, Screen Protector and Camera Lens Cover Rugged Magnetic MagSafe Comp
- 85Case-Mate Case Mate Waterproof Floating Pouch
- 85Onn Waterproof Phone Pouch, Clear Compatible with iPhone, Samsung, Google, and Huawei with screens up to 7
- 85Ozark Trail Waterproof Phone Pouch Full Cover Case for All Models
- 85SUPCASE Unicorn Beetle PRO Rugged Case for Galaxy S25 Ultra
- 85SUPCASE Unicorn Beetle PRO Rugged Case for iPhone 16
- 85SUPCASE Unicorn Beetle Pro Rugged Case for iPhone 16 Pro
- 85Tech21 Evo Check for iPhone 13 Ultra-Protective Phone Case with 16ft Multi-Drop Protection
- 85Tech21 EvoArmor MagSafe Compatible Case for iPhone 16 Pro
- 85Tech21 EvoPro MagSafe Phone Case for iPhone 17 Pro
- 85Tech21 FlexQuartz MagSafe Case for iPhone 17
- 85Tech21 FlexQuartz MagSafe Case for iPhone 17 Pro
- 85Urban Armor Gear UAG Anchor Series Hardshell Case for Apple iPhone 12 Pro Max
- 85Urban Armor Gear Pathfinder MagSafe Case for Apple iPhone 17
- 85Urban Armor Gear UAG Pathfinder Case with Magnet for Samsung Galaxy S26 Ultra
- 85Urban Armor Gear UAG Pathfinder Clear Magsafe iPhone 16 Pro Case
- 75Body Glove Tidal Waterproof Case with MagSafe for iPhone 15
- 75Geckobrands Floating Waterproof Phone Case Dry Bag
- 75Body Glove Tidal Waterproof Case with MagSafe for iPhone 17
- 75Body Glove Tidal Waterproof Phone Case for iPhone 17 Pro Max
- 75Geckobrands Amazon.com: Geckobrands Waterproof Phone Case
Which waterproof phone cases contain PFAS? Poor and Bad, we’d swap these
- Liquid nano-coating (unspecified polymer)
- We found no PFAS statement from the brand
- Volatile organic compounds (VOCs) and residual monomers
4 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- Fabric/nylon with waterproof coating, unspecified
- We found no PFAS statement from the brand
- PFAS
2 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- Fabric with waterproof coating (type unspecified)
- We found no PFAS statement from the brand
- PFAS
3 hazards checked on this product, all on its full breakdown.
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