Rains rolltop rucksack unisex laser backpack. The Rolltop by Rains is a backpack inspired by the world of cyclists, totally waterproof. This practical backpack features a roll-top closure with an adjustable strap, has a front pocket and an easy-access side laptop compartment and adjustable shoulder straps. Evergreen green color. Material: 100% polyester with polyurethane coating Lining: 100% polyester Waterproofness of the fabric in water column: 8000 mm Measurements: Height 48 cm x Length. 32 cm x W. 11 cm Capacity: 13 liters Weight: 835 g