Perfect dry compression storage to keep gear reliably dry and compact inside a backpack or bike bag. Made from bluesign-approved ultra lightweight Ultra-Sil 30D CorduraA(R) nylon with a C0 non-PFC DWR, and an eVacA(R) fabric air permeable base with a C0 non-PFC DWR finish that allows you to push air out while still keeping your contents dry inside. This means no need for a purge valve, making the Evac Compression Dry Bag UL light and simple. Compression straps make it easy to evenly compress soft items, and the hypalon non-wicking roll-top closure also keeps the water out. Simple, extremely light and reliable- the perfect dry compression solution for internal use. Waterproof and air-permeable eVacA(R) fabric base allows air to be pushed out but water can&';t get in Waterproof, roll-top closure secured with our patented Field Repair Buckle for a reliable seal Compress soft contents to their smallest possible size while adding minimal weight to your pack Best Use: Backpacking, Cycle Touring Waterproof? Yes, in situations where the dry bag will not be submerged Dimensions: 7.0 x 7.0 x 14.8in | 17.9 x 17.9 x 37.7cm Weight: 2.7 oz | 76g