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Blocker PurgeAir Dry Sack
Featuring a waterproof valve that purges trapped air, the versatile 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.
Versatile materials:Lightweight 70D polyurethane-coated nylon materials are a tougher, more resilient cousin to the ultralight BlockerLite materials. More durable and versatile, these materials are great for all-around use with confident waterproof protection.
PurgeAir™-equipped: A unique and waterproof PurgeAir valve vents trapped air, helping the sack compress further after being sealed, and is both more durable and more reliably waterproof than waterproof/breathable fabric membranes.
Waterproof closure:Roll-top closure features a wrinkle-free stiffening strip to ensure a secure seal when closing the dry sack.
Durable construction:Fully welded seams result in stronger and more durably protective construction compared to sewn-and-taped seams.
Efficient-Packing:PackTight™ packing system sacks feature flat-sided, rectangular shapes that nestle closely together, packing 20% more efficiently than rounded sacks for easy, space-saving organization.