Case-Mate · Waterproof Electronics Cases
Case Mate Waterproof Floating Pouch
Waterproof pouch; coating composition undisclosed, skip if PFAS concerned.
Case-Mate does not disclose waterproof coating chemistry. Floating pouches typically use water-repellent coating treatments that may contain PFAS, but this product's specific materials are not public. Higher caution warranted.
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 coating (type unspecified)
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's waterproof floating pouch uses an unspecified plastic base with a proprietary waterproof coating. The coating type is not disclosed publicly, which is the core safety gap: waterproof coatings on soft goods are often Teflon-type coating or Teflon-type coating-adjacent polymers, or rely on fluorinated compounds (PFAS-class materials). Without material transparency, users cannot assess leaching risk if the pouch contacts food, beverages, or is exposed to heat.
The brand's record and disclosure
Case-Mate has not published material safety data sheets, coating formulations, or PFAS stance for this product line. The brand is silent on chemical composition and does not advertise third-party certifications (e.g., FDA compliance, non-fluorinated waterproofing). This lack of transparency is typical for casual tech accessories but unusual for a product marketed as waterproof and potentially food-contact-adjacent.
How it compares in its category
Waterproof pouches vary widely in coating chemistry. Branded alternatives (e.g., Dry Bag by reputable outdoor brands) often disclose polyurethane or PVC-based coatings with optional PFAS-free certifications. Case-Mate's silence places it in the middle tier of disclosure rigor. Standard practice in the category does not require PFAS avoidance, but leading competitors increasingly do.
If you buy it
Store dry items (phones, keys, documents) only; avoid prolonged contact with food or liquids that will be consumed. Keep away from direct heat and prolonged UV exposure, which can degrade coatings and increase leaching. Inspect the seams and coating annually for cracks, peeling, or discoloration. Replace if the waterproof barrier is visibly compromised to avoid both water ingress and potential coating particle shedding.
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.”
Coating leachables (undisclosed chemistry)
The waterproof coating is not chemically identified. If it contains fluorinated polymers or plasticizers, degradation or contact with oils and heat could release compounds into stored items. Risk is low for dry goods; higher if used to store food or beverages.
Microplastics from coating degradation
Waterproof coatings can flake or shed particles, especially under UV exposure, mechanical stress, or with age. If particles are inhaled or ingested (e.g., from stored food), the health impact is not well-established but is a documented concern for coated soft goods.
Seam adhesive and joint integrity
No recalls or complaints are on record regarding adhesive toxicity or seam failure in Case-Mate floating pouches. Seam strength is primarily a durability issue, not a documented safety hazard for this brand.
Plastic base material leaching
The underlying plastic substrate is not specified. If it is PVC or an unstabilized polymer, prolonged storage of alcohols, oils, or heated items could increase leaching of plasticizers or monomers. Most use cases (phones, dry documents) carry minimal risk.
Bacterial or mold growth in seals
If the pouch is sealed with moisture trapped inside, or repeatedly exposed to wet conditions without drying, the seal and interior surfaces can harbor microorganisms. This is a hygiene issue rather than a chemical hazard, but relevant for items stored directly against skin or food.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 45% 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.