Benks · Waterproof Phone Cases
Amazon.com: Benks: Cell Phones & Accessories
Skip until brand discloses materials and PFAS status.
Benks is a generic Amazon accessory brand with no public PFAS disclosure or testing. Phone cases and accessories rarely contain PFAS, but without transparency, assessment is limited.
The better-graded swap
Tech21
Tech21 Evo Check for iPhone 13 Ultra-Protective Phone Case with 16ft Multi-Drop Protection
85/100 safety
Same rubric that flunked this product. The swap earned Excellent.
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
plastic, metal, glass (typical phone accessories)
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
You may also be interested in
Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product, all on its full breakdown.
Avocado
Vegan Mattress
- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
What Amazon.com: Benks: Cell Phones Accessories is made of, ingredients and materials
Benks phone accessories typically combine plastic (likely polycarbonate or TPU for cases), metal (aluminum or stainless steel for brackets and frames), and tempered glass (for screen protectors). Plastic formulations matter because repeated thermal stress from device heat and sunlight can degrade coatings and potentially release residual monomers or additives. Metal components are generally stable but quality of plating or anodizing affects long-term durability and leaching risk under moisture. Glass is chemically inert but temper quality affects shatter risk and edge chipping.
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
BPA & bisphenols
Benks does not publish material grade or state whether plastics are BPA-free or phthalate-free. Heat from device operation and ambient temperature fluctuations can increase migration of residual monomers into skin or sweat over months of use.
Source, FDA ↗Metal plating degradation and corrosion
Benks does not disclose plating type (chromium, nickel, zinc) or thickness on metal bracket and frame components. Sweat, moisture, and salt exposure can breach poor-quality plating and expose base metal, which may leach over time.
Coating integrity and off-gassing from thermal cycling
Plastic coatings on Benks cases undergo daily thermal stress as the phone heats during use. No test reports are available to confirm coating durability or whether adhesion failure releases volatile compounds.
Glass temper quality and shattering risk
Benks tempered glass screen protectors lack published impact-test data or edge-strength certification. Low-cost tempering processes may not meet Gorilla Glass or equivalent standards, increasing risk of sudden breakage and glass fragments.
Lack of traceability and quality assurance
Benks products sold through Amazon marketplace lack consistent batch/serial tracking and quality control documentation. No published warranty covers material defects, making it difficult to trace source of degradation if allergic reaction or chemical exposure occurs.
How is this PFAS grade calculated?
The brand's record and disclosure
Benks publishes no material safety data sheets, PFAS commitments, or third-party certifications (such as SGS, UL, or RoHS) on its official channels or product pages. No recall history is publicly documented, but absence of disclosure is a red flag for consumer transparency standards common among tier-one accessory makers. The brand maintains no visible sustainability or chemical responsibility statement, and does not respond to standard material sourcing inquiries.
How it compares in its category
Mainstream phone accessory brands (Spigen, OtterBox, Apple MagSafe, Belkin) publish material composition, RoHS/REACH compliance, and often independent testing results. Benks occupies a budget-tier position with price advantage but significantly lower transparency. Most competitors disclose whether plastics are BPA-free or phthalate-free; Benks does not. This gap in disclosure makes side-by-side safety comparison impossible.
If you buy it
Avoid prolonged heat exposure (do not leave cases in direct sunlight or near heat sources for hours). Inspect plastic surfaces monthly for cracks, crazing, or whitening, which signal degradation and are reasons to replace. Clean with mild soap and water, not solvents or abrasive materials that may weaken coatings. Do not use screen protectors from Benks or other unvetted brands on devices you intend to resell or gift, as adhesive breakdown and glass dust are safety concerns.
What is not known about PFAS in this product?
- Basis
- Model estimate, 35% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Benks has made none
Formulations change between production runs, so check the current label. How we grade.
What are the PFAS-free alternatives to Amazon.com: Benks: Cell Phones & Accessories?
- Flax fiber and plant-based resin blend, compostable
- A third party reports verifying it as PFAS-free
- Coating degradation and durability over time
2 hazards checked on this product, all on its full breakdown.
- plant-based bioplastic (flax and other plant fibers)
- A third party reports verifying it as PFAS-free
- Thermal degradation and warping
3 hazards checked on this product, all on its full breakdown.
- Plant-based bioplastic (compostable blend)
- A third party reports verifying it as PFAS-free
- Bioplastic degradation and microparticle shedding
More waterproof phone 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.