110L Bill's Bag Dry Bag vs Expedition DriDuffel Dry Bag: which is safer?

NRS Expedition DriDuffel Dry Bag is our pick: better on PFAS and on the overall hazard picture.

NRS

110L Bill's Bag Dry Bag

PFAS grade

F 20/100

Overall grade

F 2/100

Verdict

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Hazard flags

⚑ 3

Material

Nylon with proprietary waterproof coating

Confidence

35%

PossibleWaterproof coating PFAS contamination

ReportedCoating degradation and microplastics shedding

PossibleOff-gassing in enclosed spaces

Why this grade

Our pick

NRS

Expedition DriDuffel Dry Bag

PFAS grade

F 20/100

Overall grade

F 8/100

Verdict

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Hazard flags

⚑ 3

Material

PVC or TPU coated nylon fabric with water-repellent coating finish

Confidence

42%

Possiblewater-repellent coating degradation and exposure

PossiblePVC/TPU leaching under heat or moisture stress

PossibleVOC off-gassing from coating

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 bags & luggage: see the full ranking