OIWAS USB charging laptop backpack is a large and versatile backpack designed for business, travel, and school. It features a spacious main compartment, a separate laptop compartment, and multiple internal pockets for organization. The backpack is made of durable polyester material and is waterproof. It also includes a USB charging port for convenient charging on the go. With its ergonomic design and comfortable shoulder straps, this backpack is perfect for both men and women.