eVent Sil Drysack vs Tool Box: which is safer?

Marmot Tool Box is our pick: better on PFAS and on the overall hazard picture.

Granite Gear

eVent Sil Drysack

PFAS grade

F 20/100

Overall grade

F 2/100

Verdict

Skip

Hazard flags

⚑ 3

Material

Silicone-coated nylon with eVent membrane

Confidence

45%

PossibleTeflon-type coating fume risk (separate from PFAS grading)

PossibleCoating degradation and microfiber shedding

ReportedMembrane delamination and loss of water resistance

Why this grade

Our pick

Marmot

Tool Box

PFAS grade

D 65/100

Overall grade

F 39/100

Verdict

Skip

Hazard flags

⚑ 5

Material

Nylon, polyester, cotton blend; details unspecified

Confidence

45%

PossibleVolatile organic compounds (VOCs) from polyester and nylon manufacturing

Reportedwater-repellent coating (water-repellent coating) coating chemistry unknown

PossibleFormaldehyde-resin finishes in synthetic textiles

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 outdoor gear bags: see the full ranking