M40 Micro Case vs Aqua Shield Waterproof Dry Bag Rucksack: which is safer?

Pelican M40 Micro Case is the clear pick. Spigen Aqua Shield Waterproof Dry Bag Rucksack carries a failing PFAS grade, and we never recommend buying a failing product.

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

Aqua Shield Waterproof Dry Bag Rucksack

PFAS grade

F 40/100

Overall grade

F 28/100

Verdict

Skip

Hazard flags

⚑ 3

Material

Polyester fabric with unspecified waterproof coating

Confidence

45%

PossiblePFAS in waterproof coating

PossibleMicroplastic shedding from coating degradation

PossibleThermal stability of coating under hot water

Why this grade

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