Mous · Waterproof Electronics Cases
Mous Phone Case for iPhone 16 Pro Max
Unknown coating composition. Insufficient public disclosure on PFAS.
Mous cases use TPU material with an undisclosed surface treatment. No PFAS transparency available from brand or third-party testing.
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
Thermoplastic polyurethane (TPU) shell with unspecified coating
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Unknown / proprietary coating
Proprietary coating with no disclosed chemistry.
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
Mous cases use thermoplastic polyurethane (TPU), a flexible plastic polymer commonly chosen for shock absorption in phone protection. TPU itself is considered low-toxicity, but the unspecified coating applied to this case is the concern: manufacturers often add water-resistant or anti-yellowing treatments that may contain PFAS, silicones, or other surface-active agents. Without Mous disclosing the coating identity, you cannot verify what additives migrate or off-gas during normal use or heat exposure.
The brand's record and disclosure
Mous has not published safety data sheets, material certifications (such as GreenGuard or similar), or public statements on PFAS avoidance or disclosure. The brand markets premium aesthetics and protection but remains silent on chemical composition and manufacturing standards. No major recalls or contamination incidents have been publicly reported for Mous cases, but the lack of transparency contrasts with competitors who voluntarily disclose materials or pursue third-party verification.
How it compares in its category
Most mid-to-premium phone cases are TPU or silicone-based; Mous is typical in material choice. Some competitors (e.g., Casetify, OtterBox) publish more detailed material information or eco-certifications; others remain equally opaque. Mous does not appear to lag behind category norms, but neither does it lead in transparency, making it a middle-ground option when chemical assurance is a priority.
If you buy it
Keep the case away from prolonged heat (direct sunlight, car dashboards in high heat) to minimize potential off-gassing of coating additives. Wash your hands after extended contact if you have sensitive skin. Inspect for discoloration, cracking, or sticky residue annually; if the coating degrades, replacement is prudent. Do not assume the case is inert simply because TPU itself is considered safe; the coating is the variable you cannot verify.
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.”
Unspecified coating additives and potential off-gassing
The coating composition is not disclosed by Mous. Coatings on TPU phone cases may include silicones, UV stabilizers, or other chemicals that can off-gas at body temperature or in warm environments; no public testing data exists for this specific product.
Thermal degradation of TPU and coating
Prolonged exposure to heat (e.g., left in a hot car or in direct sun) may cause the TPU base or coating to soften, discolor, or release volatile compounds; no guidance from Mous on safe temperature limits has been published.
Allergen or sensitizer risk from coating or TPU additives
No specific allergic reactions or contact dermatitis cases linked to Mous cases have been documented in public sources. However, TPU formulations may contain plasticizers or stabilizers that trigger contact sensitivity in some users; individual risk depends on the specific additive package, which Mous does not disclose.
Microplastic shedding from degraded coating
Over time, the case coating may chip or peel, potentially releasing fine particles. While phone cases are not ingested, shedding contributes to environmental microplastic load and may indicate coating instability.
Heavy metals in pigments or additives
No recalls or test results documenting lead, cadmium, or other heavy metals in Mous cases have been published. TPU and standard colorants used in phone cases are not known routes for heavy metal contamination, but lack of disclosure means risk cannot be fully ruled out.
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.