SUPCASE · Waterproof Phone Cases
SUPCASE Unicorn Beetle PRO Rugged Case for iPhone 16
No coating described, and no PFAS statement from the brand.
The product information we reviewed describes thermoplastic polyurethane (TPU) bumper, polycarbonate back, with no water-repellent coating named. Water resistance on products like this usually comes from the material and its seals rather than a surface treatment. The brand has published no PFAS statement for it.
We flunk more products than we pass. This one earned its grade. How we grade
Material
Thermoplastic polyurethane (TPU) bumper, polycarbonate back
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
What SUPCASE Unicorn Beetle PRO Rugged Case is made of, ingredients and materials
The Unicorn Beetle PRO combines a thermoplastic polyurethane (TPU) bumper with a polycarbonate back panel. TPU is a flexible elastomer chosen for drop protection and shock absorption; polycarbonate provides rigid structural support and optical clarity for the screen window. Neither material leaches harmful plasticizers or monomers under normal room-temperature use, and neither requires chemical coatings for waterproofing, the physical seal design and material density provide IP-rated water resistance.
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.
Microplastic shedding or particle release
Heavy physical wear, repeated flexing of the TPU bumper, or mechanical abrasion from sand or keys may cause microscopic TPU particles to dislodge. This is a long-term accumulation risk rather than acute hazard; the scale and health impact of microplastics from phone cases remain understudied. Practical exposure is minimal given the case does not contact food or drinking water routinely.
Degradation of seals and water-resistance over time
IP-rated waterproofing depends on intact adhesives and gasket materials. Repeated submersion, thermal cycling, or salt-water exposure can weaken seals over months to years. Material degradation itself is not a direct chemical hazard, but failing seals allow moisture ingress, which may promote corrosion inside the phone rather than harm from the case material itself.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
BPA & bisphenols
Both polycarbonate and TPU used in this case are inherently free of BPA in the base polymer. No plasticizers (phthalates) are required for TPU flexibility; modern polycarbonate formulations do not use phthalates. Food contact is not a use case for phone cases, so leaching into saliva or skin is not a primary hazard route.
Source, FDA ↗Volatile organic compound (VOC) off-gassing
TPU and polycarbonate do not emit volatile organic compounds significantly at room temperature or under normal phone use (no heating). Neither material is documented to off-gas formaldehyde, benzene, or other regulated VOCs. New case odor (if present) is typically residual manufacturing solvent, not ongoing emission, and dissipates within days of airing.
Heavy metals
Black, clear, and colored TPU/polycarbonate used in phone cases are not typically formulated with heavy metal pigments (cadmium, lead) because organic and inorganic colorants are cost-competitive and pose no technical advantage. SUPCASE does not use metallic coatings or glazes on this product. No recalls for heavy metal contamination exist for this brand or product line.
Source, FDA ↗The full breakdown
The brand's record and disclosure
SUPCASE has no published materials transparency reports, third-party certifications (such as SGS, UL, or bluesign), or formal PFAS commitment on record. The brand markets ruggedness and drop-test claims but does not detail chemical composition or manufacturing controls. No recalls or adverse chemical exposure incidents have been documented for this product line in public databases.
How it compares in its category
Rugged phone cases typically use TPU, polycarbonate, or silicone, all chemically stable at room temperature. The Unicorn Beetle PRO is mainstream in material choice and waterproofing approach (sealed assembly, not coating). Premium alternatives from OtterBox or Spigen offer similar material profiles; budget alternatives may use lower-grade TPU with weaker structural integrity, though chemical risk does not increase proportionally.
If you buy it
Keep the case away from direct sunlight and extreme heat (above 60 degrees Celsius) for extended periods, as TPU can soften and polycarbonate can discolor. Clean the case with mild soap and water; avoid solvents or abrasive materials. Replace the case if seals degrade visibly (cracks, separation) or if the back becomes cloudy or brittle, which signals material aging. No special maintenance is required under normal use.
What we don’t know
- Basis
- Model estimate, 35% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- SUPCASE has made none
Formulations change between production runs, so check the current label. How we grade.
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.