Waterproof Phone Belt Bag vs iPhone 17 Series Tough Armor T AI MagFit Case: which is safer?

iPhone 17 Series Tough Armor T AI MagFit Case is the clear pick. Case-Mate Waterproof Phone Belt Bag carries a failing PFAS grade, and we never recommend buying a failing product.

Case-Mate

Waterproof Phone Belt Bag

PFAS grade

F 40/100

Overall grade

F 14/100

Verdict

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Hazard flags

⚑ 3

Material

Nylon/polyester blend with waterproof coating, unspecified water-repellent coating treatment

Confidence

42%

LikelyPFAS in water-repellent coating

PossibleCoating degradation and inhalation risk

PossibleMicroplastics from fiber shedding

Why this grade

Our pick

Spigen Tough Armor

iPhone 17 Series Tough Armor T AI MagFit Case

PFAS grade

B 85/100

Overall grade

B 81/100

Verdict

Buy

Hazard flags

⚑ 1

Material

Polycarbonate and TPU (thermoplastic polyurethane)

Confidence

72%

PossibleVolatile organic compounds (VOC) off-gassing

Why this gradeBuy

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 & tech cases: see the full ranking