1,MAIN FUNCTION: The sax palm key riser helps to maintain the correct finger position, ensuring better performance and providing protection. 2,SOFT SILICONE: These saxophone key covers are made of excellent silicone, which is soft and comfortable, and will not harm the instrument. 3,COMPACT SIZE: These saxophone button covers have compact size, easy to install and replace, and do not easily affect the use of the instrument. 4,GOOD DECORATION: The saxophone button cover has bright colors and glossy appearance, providing a good decorative effect for saxophone. 5,3PCS IN 1 SET: Including 3pcs different saxophone silicone key covers, which are necessary accessories for sax enthusiasts and beginners. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.