... available 5) Shape:ball style with shank Natural material, ECO-friendly . Shape Agoya Shell Button ... Paua, River, Trocas, Trocas, TrochusButtons StylesHoles, Self-shank, Brass eyelets, Laser logosProduction ProcessSelecting, Embryo Extracting, Grinding, ... Buttons; >Mississippi River Shell Buttons (American); >Mussel Shell Buttons; >Green Paua (Abalone) Shell Buttons (New Zealand); >River Shell Buttons ...