C03 Leather Protective Case with Shoulder Strap For Active 7/Active 10 Pro vs Underwater Cat Tough Phone Case for iPhone 717 Pro Max Glossy Dual Layer Shockproof Ocean Animal Protective Cover Gift f: which is safer?
Blackview C03 Leather Protective Case with Shoulder Strap For Active 7/Active 10 Pro is the clear pick. Underwater Cat Tough Phone Case for iPhone 717 Pro Max Glossy Dual Layer Shockproof Ocean Animal Protective Cover Gift f carries a failing PFAS grade, and we never recommend buying a failing product.
Our pick
Blackview
C03 Leather Protective Case with Shoulder Strap For Active 7/Active 10 Pro
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleHeavy metals in leather tanning (chromium, lead)
PossibleSynthetic dyes and colorants in leather and strap fabric
ReportedVolatile organic compounds (VOCs) from tanning and finishing
CAT
Underwater Cat Tough Phone Case for iPhone 717 Pro Max Glossy Dual Layer Shockproof Ocean Animal Protective Cover Gift f
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleWaterproof coating composition (non-PFAS chemicals)
PossibleTPU/silicone base layer degradation
PossibleMicroplastic shedding
Where these two actually differ
- We flag Heavy metals in leather tanning (chromium, lead), Synthetic dyes and colorants in leather and strap fabric, Volatile organic compounds (VOCs) from tanning and finishing and Formaldehyde in leather finish resins on the Blackview and not on the CAT.
- We flag Waterproof coating composition (non-PFAS chemicals), TPU/silicone base layer degradation and Microplastic shedding on the CAT and not on the Blackview.
- The Blackview is leather (primary material), shoulder strap where the CAT is TPU or silicone dual-layer with unspecified waterproof coating, which is most of the difference in these two grades.
- The gap is 40 points, wide enough that this is not a close call, and the Blackview is the one to buy.
- We are less certain about the CAT grade, at 35% confidence against 72%, because it discloses less.
Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
More waterproof phone cases: see the full ranking