The kiln dried, lp bongos are made from environmentally friendly Siam Oak shells and are fitted with cast aluminum bottoms, traditional rims, natural rawhide heads and 5/16" diameter tuning lugs. With traditional 7-1/4" and 8-5/8" heads, Matador Wood Bongos by lp percussion have a high gloss finish that complements the other Matador Wood Congas and Bongos. This Latin drum is Royal Blue with chrome hardware.