This business laptop bag is made of Oxford cloth with a polyester interior. Waterproof, scratch-resistant, not easy to fade. With a built-in USB charger and a built-in charging cable, this USB backpack provides you with a more convenient way to charge your phone while walking. The shoulder straps are widened and thickened to relieve the pressure on the shoulders and protect the spine. The main compartment is characterized by large capacity, where laptops, magazines, cameras and clothes can be placed. The left slip pocket, front and side zipper pockets can store small items such as umbrellas, and they can be stored in categories to meet daily travel needs. Suitable as a professional office bag, male and female college student backpack. 11 4/5'' L x 5 1/8'' W x 16 9/16'' H