The Granite Gear eVent Sil Compression Drysack allows you to maximize space inside your pack by reducing the packed size of bulky items like sleeping bags and clothes. The waterproof 30D Sil-Nylon Cordura construction is an incredible balance of strength and weight and an integrated roll-top closure further ensures complete protection.
Comes in 2 sizes:
13l: Dimensions: 5.25x7.75x21". Weight: 83 grams
18l Tall: Dimensions: 6x8.75x22.5" . Weight: 95 grams
Model Number: 166353, 166438