M40 Micro Case vs Liquid Air Samsung Galaxy S21 Matte Black: which is safer?

Pelican M40 Micro Case is our pick: better on PFAS and on the overall hazard picture.

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

Spigen

Liquid Air Samsung Galaxy S21 Matte Black

PFAS grade

B 85/100

Overall grade

C 73/100

Verdict

Buy

Hazard flags

⚑ 3

Material

TPU (thermoplastic polyurethane) case, matte finish

Confidence

72%

PossiblePhthalates or other plasticizers in TPU formulation

PossibleFormaldehyde releasers in polymer stabilizers

PossibleMicroplastics or polymer degradation fragments

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