Description:Durability: The saxophone key button insert is made of thin animal shell and stone, which is colorful, sturdy and durable. Fine Decor: The insert can be used as a decoration not only for the saxophone, but also can be used for other musical instrument. Smooth: The part is designed with a smooth surface, which can give you a better experience when you give the performance of the instrument.9 Pieces: There are 9 pieces with 3 different sizes in the package, which can meet your different needs. Fine parts: The cartridge is one of the biggest parts for various saxophones on the market, so we can get one with less to worry about. Specification:Material: Shell, Stone. Colour: navy blue. Size 1: Approx. 14.6mm / 0.57 inch (6 pieces)Size 2: Approx. 10.8mm / 0.43 inch (1 piece)Oval Size: Approx. 2.5 x 24.2mm/0.10 x 0.95 inch (2 pieces)Note: There may be several color distortions due to different computer resolutions. There may be a slight error due to different manual measurements. Package Included: 9 Pieces Saxophone Key Button Marquetry.