Built with hardwearing reinforced PVC tarpaulin and welded seams, the Nautilus 25 is equally prepared for precipitation or summer rays. The roll-top closure allows the backpack to right-size to your contents, while sealing out the weather. Its adjustable shoulder straps offer flawless fit and comfort for the journey ahead. Product Features: 100% Waterproof Fabric, Ultrasonically Welded Waterproof Seams, Roll-Top Closure with Adjustable Straps, Dual Side Carrying Handles + Shoulder Straps, External Zippered Pocket, Fabric:, 100% PVC Tarpaulin, Dimensions:, , 18H x 9W x 9D (rolled); 25.5H x 9W x 9D (unrolled), Volume:, 25 Litres. Colours: Bold Red/Black, Graphite/Black, Ocean Blue/Black