10mm Flat Leather in Graphite Greco. This 10mm soft metallic flat leather has a subtle shell-like sheen and an embossed texture similar to a small reptile. It is made from top quality cowhide leather wrapped around a cotton core and is available in multiple colors. Design your own exotic wrap bracelet with this stunning leather! Width: 10mm. Height: 2mm. Cut leather cannot be returned. Sold by the inch.