Water and abrasion resistant fabric, HD polyester lining, high density seatbelt webbing, grab handle, padded adjustable shoulder straps, adjustable chest strap with clasp fastening, breathable padded mesh back panel, front zip pocket organiser section, external secure padded laptop compartment, compatible up to 15.6 inches, internal elastic bottle holder, tear out label, capacity 20-25 litres.. Made from 1000D twist weave polyester. 50 x 33 x 21 cm. Quadra - Pitch Black 24 Hour Backpack - QD565