ostrich leather utility keychainthis iteration of our utility keychain has been hand cut from two types of leather, the topside is a 0. 9mm heavily textured genuine ostrich leather with a washed black dye treatment, and the interior is a butter soft 2. 5mm matte black vegetable tanned horse culatta leather. the keychain features a single piece pattern construction, hand sewn with our signature overlock stitch using a black 0. 65mm hand waxed japanese linen thread. a distressed