100% waterproof  Roll up lock system 100% Waterproof dry bag Tarpaulin waterproof fabric Roll up closure system Padded back panel with lumbar support Front water resistant zip pocket Padded air-mesh shoulder straps  BACKPACK  40 x 60 x 15 cm  White /Black Print  Waterproof Tarpaulin  22L 841 g / 1.8 lbs AC-BD022