NIKE Unisex MAX AIR Backpack Book Bag BA4983-005 NIKE Unisex MAX AIR Backpack Book Bag BA4983-005 Main color: Silver/Black Dimension Approximately:(W) 11.81" X (H) 17.72" X (D) 6.69 = (W) 30 cm X (H) 45 cm X (D) 17 cm Because of photo color limitation and color monitor setting, the actual product may slightly different than the photo.