Nike MAX AIR Unisex (L) 34 Liters Backpack Bookbag BA4883-611 Nike MAX AIR Unisex (L) 34 Liters Backpack Bookbag BA4883-611 BA4883-611 Material:	 Polyester Dimension Approximately: (W) 12.2" X (H) 18.1" X (D) 6.2" = (W) 31 cm X (H) 46 cm X (D) 16 cm