iPhone 16 Pro SolidX vs iPhone 17 SolidX: which is safer?

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

Our pick

iPhone 16 Pro SolidX

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

iPhone 17 SolidX

Rhinoshield

iPhone 17 SolidX

PFAS grade

B 85/100

Overall grade

D 69/100

Verdict

Buy

Hazard flags

⚑ 4

Material

Glass and polymer composite case/screen protector

Confidence

45%

PossibleAdhesive off-gassing (volatile organic compounds)

PossiblePolymer frame degradation and microplastic shedding

PossibleAllergic contact reaction to adhesive or polymer

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