Dry Case Waterproof BackpackThe Dry Case Waterproof Backpack is the great bridge between "Protection and Flexibility". It is 100% waterproof with a 30 Lt. storage capacity. The backpack is made up of high quality marine grade waterproof vinyl. There is an external zipped mesh pocket to store wet items out of the waterproof area. Also included is a mesh side pocket to keep a water bottle. Lots of waterproof padding on the shoulder straps, waist, hip, and lower back support delivers a comfortable hold. The two way valve allows it for inflation or compression, which helps convert the Dry Case into a slim backpack. Grab hold this Dry Case Waterproof Backpack for your adventurous journey.