14" Natural Goat Skin, with Consistent Clear Sound Buffalo Leather Bongo, Banjo Drum. Natural Colors & Variants Goat Skin Clean, Pesticide Free, & Unbleached.Natural Goat Skin Round, Fits many Middle Eastern style drums.Thin to Medium to Thickness, for a sharp tek sound.Natural Goat Skin Drum Heads up to Many different sizes for Bodhran, Banjo, Native Frame, Bongo, Shamanic & Germanic.