iPhone 16 Pro SolidX vs Ghostek Nautical Slim Case for MagSafe for Samsung Galaxy S25 Ultra: which is safer?

iPhone 16 Pro SolidX is our pick: better on PFAS and on the overall hazard picture.

Our pick

Rhinoshield

iPhone 16 Pro SolidX

PFAS grade

A 100/100

Overall grade

B 82/100

Verdict

Buy

Hazard flags

⚑ 3

Material

TPU, polycarbonate, and glass back

Confidence

72%

PossibleTPU degradation and additive leaching

PossibleOff-gassing of volatile organic compounds (VOCs)

ReportedGlass back lamination failure and microabrasion

Why this gradeBuy

Samsung

Ghostek Nautical Slim Case for MagSafe for Samsung Galaxy S25 Ultra

PFAS grade

B 85/100

Overall grade

D 67/100

Verdict

Buy

Hazard flags

⚑ 3

Material

Polycarbonate and TPU blend (typical phone case polymers)

Confidence

60%

PossiblePhthalates in TPU

PossibleVolatile organic compounds (VOCs) off-gassing

ReportedMicroplastics shedding

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 personal electronics cases: see the full ranking