The Rains Backpack is a high quality waterproof urban backpack. It is made of polyurethane and polyester, with the lining also made of the latter material. It has a large main compartment with capacity for a 13-inch laptop.It is an ideal backpack for daily use. It has a capacity of 14.3 liters to put everything you need in your day to day. In addition, it has a zippered pocket on the back to store your phone and adjustable straps. The Rains Backpack is the best selling backpack in Santafixie.