Package Includes -- You will receive 30 pcs shell shank buttons size 11~11.5mm in diameter 6mm thick hole: 2.5mm 30pcs/set. Abundant quantity can meet your replacement needs and you can also share them with your friends and family Natural Pearl MOP Buttons -- Natural shell buttons with beautiful rainbow effect always carry a rainbow shine while you change your viewing angle. MOP buttons are always much cooler when you touch it Quality Material -- The buttons is made of quality natural shell materials reliable and sturdy smooth and lightweight not easy to break can be applied for a long time Easy to Use -- Each mother of pearl buttons features carefully placed 1 hole perforations on the back allowing effortless passage of needle and thread. It is very easy to use and can quickly and seamlessly attach these buttons to your clothes Wide Application -- The shell buttons are suitable for Haute couture or tailored clothes best choice for silk cashmere wool material and other clothes you can also apply these buttons to your other DIY crafts