The leather bag is made of pure leather. The detailed description of the bag is as follows- Size – 13 x 18 x 5-inch Colour – Brown adjustable strap size Buckle used in the bag is of a brass metal Leather laptop bag. 18″ LEATHER MESSENGER SATCHEL LAPTOP BAG 100 % GENUINE LEATHER LAPTOP BAG. This is perfect to use as a: messenger bag for women leather, messenger bag for women leather, messenger bag leather, leather golf bag, laptop bag leather, leather bags, leather camera bag, leather cross-body bag, leather computer bag, business leather bag, messenger bags leather, leather laptop bag for women.