Gorgeous, rich natural color. These are very special buttons made of genuine mother of pearl. Because they are made from natural material, color will vary slightly between buttons. Premium quality and rich color you can't get in plastic buttons. Superior to river shell buttons in color and shape. Sold in sets of 3 larger buttons -about 3/4 inch (19 mm) diameter for the coat front and 8 smaller (15mm, about 5/8" across) for the sleeves