Silicone Waterproof Phone & Tech Cases, ranked by PFAS safety
All 7 platinum and food-grade silicone in our waterproof phone & tech cases database, graded A to F and ranked safest first. 3 earn a buy-worthy grade.
Apple
iPhone 17 Pro Max Silicone MagSafe Case
silicone elastomer, no disclosed coatings
Lower concern. Silicone cases lack PFAS-prone treatments.
⚠Brand says nothing about PFAS
Apple
iPhone 17 Pro Silicone MagSafe Case
Silicone elastomer with MagSafe attachment
Lower PFAS concern, but Apple provides no transparency on treatment chemicals.
⚠Brand says nothing about PFAS
Apple
iPhone 17 Pro MagSafe Case
Silicone, plastic, and metal (MagSafe)
Lower concern. No known PFAS-risk materials in silicone case design.
⚠Brand says nothing about PFAS
Incipio
Velocity Fog MagSafe iPhone Air
Silicone, plastic housing, MagSafe components
Unknown coating composition.
⚠Undisclosed proprietary coating
SUPCASE
Universal Waterproof Phone Case for Samsung S25 S24
TPU/silicone blend with waterproof coating, unspecified
Skip; waterproof phone cases often use PFAS coatings, brand silent on chemistry.
⚠Waterproof or stain-proof treatment
Catalyst
Amazon Catalyst Iphone Waterproof Case Amazon Iphone Case With Screen Protector Liquid Silicone Phone
Liquid silicone with unspecified waterproof treatment
Silicone base likely lower concern, waterproof coating origin unclear.
⚠Waterproof or stain-proof treatment
Catalyst
Total Protection Waterproof Case for iPhone 13 Pro
Silicone, polycarbonate, and proprietary waterproof coating
Unknown waterproof coating; PFAS risk unclear without disclosure.
⚠Waterproof or stain-proof treatment
See every material: all waterproof phone & tech cases grades →