Hand crafted in Kibera Slum, Nairobi, Kenya. Expertly hand crafted from cow bone by Xcel Concepts. Xcel Concepts was started up by Zuri Design in 2006 and is now a self sustainable workshop co-owned by 2 of the original members. Working with cow bone requires great skill and dedication as it is a very difficult material to craft from. These unique earrings are one of our best sellers.