Outer material: The backpack is made of 1000d double-pile polyester, providing a durable yet stylish look. Multiple compartments: this lightweight backpack features multiple compartments, allowing you to organize your belongings efficiently. Convenient access: the backpack is designed with easy-access pockets, providing you with quick and convenient storage for any last-minute items while traveling. Comfortable design: the backpack is equipped with mesh padding on the back and shoulder straps, offering enhanced comfort and better back support during extended wear. Secret pocket: it includes a hidden pocket at the bottom, perfect for storing rain covers.( rain cover included) warranty: 6-month warranty against manufacturing defects.