This practical backpack is designed in a water repellent material and can keep a water column pressure of 2100 mm and has a waterproof zipper. The outer fabric and inner lining is made of 100% certified recycled material. The main compartment fits a 13' laptop. The backpack has both inner and outer pockets, so you can organize your items. It also has an adjustable straps that can be adjusted to fit your needs.