Product Review

The Sea to Summit Ultra-Sil Dry Sacks are more than 50% lighter than Sea to Summit's super popular Dry Sacks. They're made of Siliconized Cordura, which is one of the lightest and toughest waterproof nylon fabrics available. Now you don't have to choose between keeping your gear dry and keeping it light. SIZE/WEIGHT: 1 Liter - 6 flat x 9 inches / 0.5 oz; 2 Liter - 8 flat x 12 inches / 0.7 oz; 4 Liter - 9 flat x 15 inches / 0.9 oz; 8 Liter - 6.5 dia x 18 inches /1.1 oz; 13 Liter - 8.5 dia x 21 inches / 1.4 oz; 20 Liter - 10 dia x 24 inches / 1.7 oz; 35 Liter - 12 dia x 27 inches / 2.2 oz.