Herschel Barlow Large 20 Litre Back Pack Ruck Sack 10271 Black 210D Nailhead Dobby nylon with premium reinforced base 1,500mm water-resistant coating 13" padded laptop sleeve with key clip and neoprene key chain sleeve Internal multi-loop webbing utility strap 19.5"(H) x 10.5"(W) x 6.5"(D), 23L