JanSport Big Student School Backpack (Black Animal Frenzy) polyester Material: Polyethylene-Vinyl acctate Foam Dimension Approximately: (W)Top 29.8 CM/ Down 32.2 CM X(H) 48.1 CM X(D) 14.4 CM =(W)Top 11.73" / Down 12.67"X(H) 18.93"X(D) 5.66" Strap Length Approxmiately: 87.6 CM = 34.48" Outside Pocket: 5 ; Inner Pocket: 5 Capacity: 2100 cu.in / 34 L ; Whole Length of Deep: 30.1 CM = 11.85"