This wallet uses one layer of CORDOVAN, a rare material deriving from beneath the rump of the horse. Only the inside is carefully tanned, which brings an extra smooth feel with a unique shine. For the interior surface and inner side, a quality tanned cowhide and light brown cotton is used where money and cards come into contact with the material. By using sturdy Cordovan for the exterior where there is outside contact, and natural cowhide for the interior, you can enjoy a slower aging process. This fits approximately 10 paper monies, 15 coins and 15 credit cards.