The Sea to SummitUltra-Sil Dry Sack is a Backpacker magazine Editor's Choice Award Winner and it is easy to see why. Super compact and ultra lightweight, these dry bags are nearly transparent, allowing good visibility of the contents. The Ultra-Sil is made up of a slick-finish polyurethane coated Siliconized Cordura, for easy packing, ultimate waterproofing and maximum durability. The Ultra-Sil Dry Sacks feature a non-wicking Hypalon roll top closure, with stiffener at the top, which allows for a better seal. All seams are double-stitched and tape sealed.The Ultra-Sil Dry Sacks are perfect for segregating gear inside duffles or backpacks, but are not recommended for marine use.
The sizes listed with "flat" in the size specification chart have a flat bottom, the sizes listed with a diameter have a round bottom.
2XS - 1 Liter - 6" flat x 9" inches - 0.5 oz
XS - 2 Liter - 8" flat x 12" inches - 0.7 oz
Small - 4 Liter - 9" flat x 15" inches - 0.9 oz
Medium - 8 Liter - 6.5" dia. x 18" inches - 1.1 oz
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