The Sea To Summit Ultra-Sil Dry Sack is made with siliconized Cordura to make it incredibly light, durable, and waterproof.

Bring it along when you're backpacking or climbing, when you need to protect your gear from wet weather without taking on additional weight.

Translucent for easy packing and identification, the Ultra-Sil Dry Sack features a slippery finish so it slides easily into your backpack.

Material: Ultra-Sil (siliconized Cordura), PU coating

Volume: 1 L, 2 L, 4 L, 8 L, 13 L, 20 L, 35 L

Dimensions: (width x height) [1L] 6 x 9 in, [2L] 8 x 12 in, [4L] 9 x 15 in, (diameter x height) [8L] 6.5 x 18 in, [13L] 8.5 x 21 in, [20L] 10 x 24 in, [35L] 12 x 27 in

Closure: Hypalon waterproof roll-top

Waterproof: yes, fully taped seams