Nike MAX AIR Unisex Backpack Bookbag, Blue Material:100%Polyester Dimension: (W)10.2" X (H) 19.6" X (D) 7" = (W) 26 cm X (H) 50 cm X (D)18cm Strap length: approx 95 cm Capacity:34Liters Big enough to hold most 15" laptops