Backpack rolltop. Waterproof backpack with welded seems, water resistant zippers and double sided coating, roll top closure, front zipper pocket and zippered padded pocket on back panel. Padded and adjustable shoulder straps. Removable phone pocket on shoulder strap will fit iPhone Waterproof nylon. Materials: Nylon. Size: 315 x 180 x 590mm. Print Size: Front 150 x 190mm.