• 20-liter fully waterproof roll-top dry sack, for organizing and packing, ensures a secure seal for protecting gear.
• Roll-top closure features a waterproof, -free stiffening strip to ensure a secure seal when closing the dry sack.
• Fully welded seams for strength and durability; 70D polyurethane-coated nylon is tough and versatile for great all-around waterproof protection.
• Flat-sided, rectangular shaped sacks nestle closely together for more efficient packing and space-saving organization on boats and trails.
• 20-liter (1220 cubic inches) stuff sack measures 5.5 x 10.4 x 18.8 inches, and weighs 3.1 ounces; manufacturer’s limited lifetime warranty.

SealLine will have your possessions organized and dry on your next outing with their Blocker Dry Sack. Its unique rectangular shape saves space by packing more efficiently while its 70-denier polyurethane-coated nylon keeps it light and durable. The Blocker Dry Sack's PVC-free construction also will have you resting with piece of mind at night. PRODUCT FEATURES: Space-saving: Patent-pending rectangular shape packs 20% more efficiently than rounded dry sack shapes, saving space in your pack. Efficient-packing: PackTight packing system takes advantage of the flat-sided, rectangular shapes of the Blocker dry sacks, closely nestling them together for easy, space-saving and intuitive organization. Waterproof strength: 50% stronger than sewn and taped seams, all seams are welded to deliver superior strength, durability, and waterproof protection over time. Tough: High-strength 70-denier polyurethane-coated nylon is light enough to satisfy ounce-counters, yet durable enough to stand up to life outside a pack. Eco-friendlier: PVC-free materials offer a reduced environmental impact over vinyl materials. Secure: Roll-top closure features a grippy stiffening strip to ensure a -free, secure seal when closing the dry sack. Easy organization: Available in 4 colors and 5 sizes, making it easy to organize by both dry sack color and size. Weight: 2.2 oz / 62 g Width: 4.4 in / 11 cm Height: 14 in / 36 cm Volume: 610 cu. in / 10 liters PVC-free Roll-down Closure 70D Polyurethane-coated nylon 09053 , sealline Blocker Dry Sack 10L , Blocker Dry Sack 10L sealline , sealline Blocker Dry Sacks , Blocker Dry Sack sealline , sealline Blocker Sack 10L , Blocker Sack 10L sealline , sealline Blocker Sacks , Blocker Sack sealline , sealline blocker , blocker sealline , bags , sacks , stuff bags , stuff sacks , dry bags , dry sacks , waterproof sacks , waterproof bags , water proof sacks , water proof bags , boat bags , water bags , sealline bags , sealline sacks , sealline stuff bags , s