Samsung · Waterproof Fitness Tracker Cases
Husxh TPU Transparent Case Cover+Strap Sweatproof Integrated Case + Band Waterproof Wristband Bracelet Comfortable for S
TPU watch case with undisclosed waterproof treatment; skip if PFAS-concerned.
TPU thermoplastic polyurethane case with unspecified waterproof and sweatproof coatings. No PFAS disclosure or third-party testing; waterproofing treatments often contain PFAS.
The safe swap
Samsung
Silicone Bracelet Full Cover for Samsung Galaxy SmartTag 2 Watch Case with Wristband
85/100 safety
Same rubric that flunked this product. The swap earned its B.
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
TPU plastic with waterproof/sweatproof coating
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.
Vague safety claims only
Uses vague language ("eco-friendly", "clean") without a specific PFAS statement.
The full breakdown
What it's made of and why it matters
This is a TPU (thermoplastic polyurethane) elastomer case with an integrated fabric wristband, marketed with waterproof and sweatproof coatings. TPU itself is a flexible, durable plastic that resists oils and moisture better than many alternatives, making it common for protective gear. However, the waterproof and sweatproof treatments applied to TPU are typically Teflon-family coating-based coatings (linked to PFAS), and the manufacturer has not disclosed the chemistry of these treatments. The fabric band likely contains synthetic fibers, which may carry dyes or finish treatments not itemized in product literature.
The brand's record and disclosure
Husxh is a third-party accessory brand; Samsung does not manufacture or formally endorse this product, though it is marketed for Samsung wearables. Neither Husxh nor Samsung provides material safety data sheets, ingredient lists, or fluorochemical disclosure for this case. Husxh has no public certifications for restricted substance testing (e.g., REACH, CPSIA, Oeko-Tex), and no voluntary recalls for this product line are on record. This represents a typical transparency gap in low-cost wearable accessories.
How it compares in its category
Watch protective cases in this price range almost universally rely on TPU or silicone with applied water-resistance coatings; Husxh is not unique in this approach. Most competitors (including name-brand Samsung bands) do not disclose waterproofing chemistry, making direct comparison difficult. Silicone alternatives avoid TPU entirely but often carry their own coating treatments. The fabric wristband differentiates this product from pure elastomer cases, adding potential exposure to textile dyes and finishes.
If you buy it
Avoid prolonged skin contact in heat or moisture (sweating during workouts) until you are confident the coatings do not leach into skin oils. Do not wash in hot water or expose to direct heat sources, as TPU can soften and coatings may degrade. Inspect the case and band monthly for peeling, cracking, or discoloration; discard if coating integrity is compromised. Keep away from young children and pets due to potential ingestion of small degraded fragments.
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.”
Waterproof/sweatproof coating chemistry (non-PFAS disclosed)
Manufacturer has not disclosed the specific Teflon-family coating or alternative water-resistance treatment used. Undisclosed coatings on skin-contact wearables warrant caution, particularly during sweat exposure.
TPU thermal degradation and leaching
TPU elastomers can soften and release plasticizers or oligomers when exposed to sustained heat (above 60C) or UV light. Watch cases worn in direct sunlight or during hot weather may gradually degrade, though risk is low under normal intermittent use.
Textile dye and finish treatment on fabric band
The wristband fabric is not tested or certified for azo dyes, formaldehyde resins, or other restricted dyes common in low-cost woven goods. Direct skin contact during extended wear (8+ hours daily) carries minor cumulative exposure risk.
Microplastic generation from coating and material wear
As the TPU case and applied coatings degrade over months to years, small plastic particles may shed. Degradation is accelerated by sweat chemistry, UV exposure, and mechanical flexing common in wearable use.
Lack of manufacturing and material certification
Husxh provides no third-party test reports, safety certifications, or restricted substance declarations for this product. This is standard for this product tier but indicates minimal post-sale verification of hazard limits.
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 Fitness Tracker Cases
Samsung
Silicone Bracelet Full Cover for Samsung Galaxy SmartTag 2 Watch Case with Wristband
Silicone wristband and cover
Lower concern, but Samsung discloses nothing about PFAS risk.
⚠Brand says nothing about PFAS
Fitbit
Fintie Bands for Fitbit Versa 4/3/2/1/Versa Lite/Fitbit Sense 2/Sense
Silicone and stainless steel band
Lower concern. Silicone bands rarely require PFAS-based treatments.
⚠Brand says nothing about PFAS
Fitbit
StrapsCo Active Protective Case Strap for Fitbit Charge 5
silicone or elastomer strap, likely no intentional PFAS coating
Lower concern. Silicone strap unlikely to contain PFAS, but brand offers no disclosure.
⚠Brand says nothing about PFAS
More waterproof fitness tracker 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.