This backpack is the perfect luggage for people who value practical solutions. It was made of 65% nylon and 35% polyurethane. In the inner pocket there is a special compartment for a laptop with a diagonal of 15.6 ”. The backpack is waterproof, so you won't have to worry about getting your gear wet. It has a convenient USB port, reinforced and breathable harness and a fabric belt on the back, so you can conveniently attach the backpack to the handle of the suitcase while traveling.