NIKE Male 25L Backpack BookBag in Black BA4722-007 NIKE Male 25L Backpack BookBag in Black BA4722-007 Main color: Black . Material:	 100% Polyester Dimension: (W)11.8" X (H) 18.1" X (D) 6.29" = (W) 30 cm X (H) 46 cm X (D) 16 cm (All measurement from the middle of the bag.) 100% Authentic guaranteed. New with tags.