Case-Mate · Waterproof Electronics Cases
Case-Mate Floating Waterproof Phone Pouch
Unknown waterproof treatment raises PFAS concern; skip or ask brand.
Case-Mate does not disclose waterproof coating chemistry. Floating pouches typically use water-repellent coating treatments, often PFAS-based. Direct contact with brand recommended before purchase.
The safe swap
Mous
Mous MagSafe Compatible Aramid Fibre Phone Case
85/100 safety
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
Plastic with waterproof water-repellent coating, unknown composition
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Waterproof / stain-resistant treatment
water-repellent coating treatments have historically used PFAS.
Category baseline
other is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
The full breakdown
What it's made of and why it matters
Case-Mate Floating Waterproof Phone Pouch is constructed from plastic (material type not specified in public documentation) with a water-repellent coating (water-repellent coating) coating. The plastic substrate itself poses minimal direct chemical risk during normal phone-storage use, since it remains cool and unexposed to heat. However, the water-repellent coating's formulation is undisclosed, and many waterproof consumer products historically relied on PFAS-based treatments to achieve water repellency; without brand confirmation of PFAS-free chemistry, the coating remains a question mark for chemical safety.
The brand's record and disclosure
Case-Mate has not published material safety data sheets or waterproof-treatment transparency for this product. The brand has not disclosed whether it has phased out PFAS from product coatings or adopted PFAS-free alternatives. No formal certifications (e.g., Bluesign, Global Organic Textile Standard, or similar chemical-restricted programs) are documented for this pouch. Absence of disclosure does not confirm presence of PFAS, but it prevents verification of safer alternatives.
How it compares in its category
Waterproof phone pouches vary widely in material and coating approach. Some competitors (e.g., LifeProof, Spigen) have begun specifying PFAS-free or low-chemical coatings, while many mass-market alternatives still do not. A floating pouch's waterproofing is typically achieved via edge-sealed seams and coatings rather than inherently water-resistant materials, making the coating composition disproportionately important. Case-Mate's silence on this point places it in the middle ground of transparency, neither leading nor fully opaque.
If you buy it
Do not expose the pouch to heat (e.g., washers, dryers, direct sunlight for prolonged periods) as this could theoretically stress or degrade the waterproof coating and increase leaching risk. Keep it dry when not in use and inspect seams and coating annually for cracks or peeling. Before purchase, email Case-Mate directly asking whether the water-repellent coating contains PFAS or is PFAS-free; a clear answer will resolve the primary safety uncertainty. Replace the pouch every 2-3 years if used regularly, as coatings degrade and waterproofing may fail.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
water-repellent coating composition (unconfirmed PFAS or legacy chemicals)
Waterproof coatings on consumer products historically relied on PFAS (per-fluorinated compounds) for water repellency. Case-Mate has not publicly stated whether this pouch uses PFAS-free alternatives, creating unresolved chemical exposure if the coating degrades or contacts skin/food.
Plastic substrate leaching (if heated or degraded)
The plastic itself is not identified by type (e.g., PVC, polyurethane, nylon) in available documentation. Under normal cold storage use, plastic phone pouches do not leach significantly; risk rises only if the material is exposed to heat, oils, or prolonged UV, which is unlikely in a sealed pouch.
Coating degradation and durability
Waterproof coatings on consumer pouches commonly degrade within 1-3 years of use, especially with repeated flexing, seawater exposure, or chlorine. Degraded coatings may crack, flake, or lose water repellency, and flaking debris could contact a user or phone.
Seam integrity and seal failure
Floating pouches rely on heat-sealed or glued seams to prevent water ingress. Manufacturing defects, wear, or poor sealing can allow water and any coating particles to contact the phone or user hands, though this is a functional rather than chemical hazard.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 35% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
Safer alternatives in Waterproof Electronics Cases
Mous
MagSafe Compatible Aramid Fibre Phone Case
Aramid fiber (Kevlar-type synthetic polymer)
Lower concern; aramid is inherently PFAS-free but verify final coating.
⚠Brand says nothing about PFAS
Pelican
Shield Carbon Phone Case for Samsung Galaxy S24
Polycarbonate shell, foam padding
Lower concern; typical phone case materials rarely contain PFAS.
⚠Brand says nothing about PFAS
Amazon Basics
Clear Soft Tpu Smartphone Cover For Iphone 2021
Thermoplastic polyurethane (TPU)
Lower concern. TPU phone cases rarely use PFAS, but Amazon discloses nothing.
⚠Brand says nothing about PFAS
More waterproof electronics cases grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.