Sheepskin bụ akpụkpọ ewu ma ọ bụ atụrụ nke ezinụlọ Bovidae. Ewu ma ọ bụ atụrụ akpụkpọ nwere mmiri, protein, abụba na inorganic bekee, nke ikpeazụ abụọ ọdịnaya bụ nnọọ obere, na protein wepụ nke epidermis oyi akwa bụ tumadi keratin; Dermis, tumadi. collagen na net hard hard protein, na mgbakwunye na ka nwere protein siri ike na-agbanwe agbanwe, albumin, globulin na mucin.