Nike Male Backpack Bookbag in Black (Ba4724-001) Nike Male 30 Liters Backpack Bookbag in Black (BA4724-001) Color:	 Black Material:	 Polyester Dimension Approximately:(W) 10.6" X (H) 19.6" X (D) 7.8" = (W) 27 cm X (H) 50 cm X (D) 20 cm (All measure from the middle of the bag.) 100% Authentic guaranteed. -New with tags.