EXTRA LARGE and DURABLE MATERIAL: Size of extra large travel laptop backpack: 19.5x15x11 (inches), Capacity: 50L, separate padded laptop compartment hold for 13 inch MacBook, 14, 15, 15. 6 and up to 17inch Laptop backpack/computers for women men . The scan smart laptop backpack made from high quality material with nylon lining for better WATER RESISTANT and heavy duty backpack Large laptop backpack. With usb charging and security combination lock. New never used