JanSport Big Student School Backpack (White/Black Class Camo) Material: Polyethylene-Vinyl acctate Foam Dimension Approximately: (W)Top 30.3 CM/ Down 32.1 CM X(H) 44.5 CM X(D) 13.6 CM =(W)Top 11.92" / Down 12.63"X(H) 17.51"X(D) 5.35" Strap Length Approxmiately: 86.9 CM = 34.21" Outside Pocket: 5 ; Inner Pocket: 5 Whole Length of Deep: 31.1 CM = 12.24"