Ghostek Nautical Slim Case for MagSafe for Samsung Galaxy S25 Ultra vs Galaxy S26 Series Mag Fit Case: which is safer?

Ghostek Nautical Slim Case for MagSafe for Samsung Galaxy S25 Ultra is our pick: better on PFAS and on the overall hazard picture.

Our pick

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

Spigen

Galaxy S26 Series Mag Fit Case

PFAS grade

B 85/100

Overall grade

F 63/100

Verdict

Buy

Hazard flags

⚑ 4

Material

Thermoplastic polyurethane (TPU) and polycarbonate

Confidence

72%

PossibleTPU degradation and discoloration

PossiblePolycarbonate microcracking under impact

ReportedMagnet safety for medical devices

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