Carry everything you need for a full day in this multi-pocket backpack. 100% Polyester (1000D, Twist Weave). Features high density seatbelt webbing, water-repellent and abrasion resistant fabric, and breathable padded mesh back panel. Also includes external access secure padded laptop compartment, compatible up to 15.6", internal elastic bottle holder and zippered front pocket organizer section. Capacity: 20 litres, expandable to 25 litres. Dimensions: 33 x 50 x 21 (25) cm.