Miffy x CASETiFY iPhone Case Black Impact Case MagSafe Compatible Miffy Classic Pattern Case vs M40 Micro Case: which is safer?

Pelican M40 Micro Case is the clear pick. Miffy x CASETiFY iPhone Case Black Impact Case MagSafe Compatible Miffy Classic Pattern Case carries a failing PFAS grade, and we never recommend buying a failing product.

Casetify

Miffy x CASETiFY iPhone Case Black Impact Case MagSafe Compatible Miffy Classic Pattern Case

PFAS grade

F 50/100

Overall grade

F 38/100

Verdict

Skip

Hazard flags

⚑ 3

Material

Synthetic polymer/plastic case with unspecified surface coatings

Confidence

35%

PossibleSurface coating and ink leachables (unspecified composition)

PossibleMicroplastics from case degradation

PossibleAdhesive off-gassing during initial use

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