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Item #: 332090150

SealLine’s lightest, most efficient-packing dry sack, the ultralight BlockerLite boasts a patent-pending rectangular shape and strong fully welded seam construction to deliver waterproof protection while organizing clothing and gear in your pack.


  • Patent-pending rectangular shape packs 20% more efficiently than rounded dry sack shapes, saving space in your pack
  • PackTight™ packing system takes advantage of the flat-sided, rectangular shapes of the BlockerLite dry sacks, closely nestling them together for easy, space-saving and intuitive organization
  • 50% stronger than sewn and taped seams, all seams are welded to deliver superior strength, durability, and waterproof protection
  • Featherweight 20-denier silicone- and polyurethane-coated nylon delivers waterproof protection while barely tipping the scales
  • PVC-free materials offer a reduced environmental impact over vinyl materials
  • Roll-top closure features a grippy stiffening strip to ensure a wrinkle-free, secure seal when closing the dry sack


  • Weight: 33 g / 1.2 oz.
  • Width: 9 cm / 3.4"
  • Height: 30 cm / 12"
  • Volume: 5 L
  • Materials: 20D Silicone/Polyurethane-coated nylon