Puma Ducati Causal Backpack Material: (Inside) 85% Polyester, 15% Nylon ; (Outside) 85% Polyester, 15% Nylon Dimension Approximately: (W)Top 29 CM / Down 32 CM X(H) 46.5 CM X (D) 9.5 CM =(W)Top 11.41" / Down 12.59" X (H) 18.3" X(D) 3.74" Strap Length Approxmiately: 91.5 CM = 36.2" ; Handle Strap Length Approximately: 20 CM = 7.87" Outside Pocket: 2 ; Inner Pocket: 4 Laptop Sleeve: 15.5"