Nite Ize RunOff Waterproof Phone Case vs M40 Micro Case: which is safer?

Pelican M40 Micro Case is the clear pick. Nite Ize RunOff Waterproof Phone Case carries a failing PFAS grade, and we never recommend buying a failing product.

Dexcraft

Nite Ize RunOff Waterproof Phone Case

PFAS grade

F 40/100

Overall grade

F 14/100

Verdict

Skip

Hazard flags

⚑ 5

Material

Likely TPE or PVC with waterproof coating, unspecified

Confidence

35%

PossiblePlasticizer leaching (phthalates, BPA, or other plasticizers in TPE/PVC)

PossibleWaterproof coating composition unknown (potential for PFAS or other fluorinated compounds)

ReportedMaterial degradation and outgassing with heat or UV exposure

Why this grade

Our pick

Pelican

M40 Micro Case

PFAS grade

A 100/100

Overall grade

B 88/100

Verdict

Buy

Hazard flags

⚑ 3

Material

Polypropylene copolymer plastic case with solid construction, no Teflon-family coating

Confidence

78%

PossiblePolypropylene degradation and microplastic shedding

PossibleGasket and latch material safety

PossibleMold and bacterial growth in sealed environment

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: see the full ranking