This backpack can store everything you need during your day, and the outer fabric and the inner lining is made of 100% certified recycled material. It is closed with a zipper, and in the main compartment you can have your computer. It has an inside pocket and two outside pockets, so it is easy to organize your stuff. The straps are adjustable, and at the back it has a strap, so it can be put over the handle of a suitcase.