... , Awabi, Akoya, Agoya, Banana, Black/Brown/White Mother of Pearl (MOP), Mussel, Paua, River, Trocas, Trocas, TrochusButtons StylesHoles, Self-shank, ... to 4.5mm thick; self-shank trocas or white MOP shell buttons, the thickness may reach 7.0mm thick; ... >Troca / Trocas / Trochus Shell Buttons; >White / White lip (Yellow/Gold) MOP (Mother of Pearl) Shell ButtonsPackaging Details1. PE bags; shell buttons ...