The buckle Rolltop Rucksack is made with the characteristic Waterproof Rains tissue, designed to guarantee great resistance, durability and a pleasant touch. Material: 100 % polyester with polyurethane coating Lining: 100 % polyester Water column pressure: 8000 mm Dimensions: 47 x 36 x 13 cm / 18.5 x 14.2 x 5.1 inches (al. X An. X F.) Volume: 19 liters / 5.1 gallons Weight: 898 g Upper closure roller with pressure buttons Side woven straps with buckle closures A single main compartment Front pocket with zipper with coating Airada mesh padded back panel Padded inner case for the laptop with capacity for a 16device Adjustable padded back straps Woven transport handle Chest adjustable belt This product has been designed for use in good or moderate weather conditions.