Lightweight waterproof dry sack vents trapped air to pack small.
Upgraded with our waterproof valve that purges trapped air, our versatile waterproof Blocker PurgeAir Dry Sack resists ballooning to help maximize use of space within a pack or bag. Plus, the fully waterproof construction ensures essential contents are protected.
PVC Free: Yes
Material/s: 70D polyurethane-coated nylon