Features: Fits saxophones as well as clarinets perfectly, ensuring not air leaks or unstable tones for enhanced performances. Ideal for both home practice and professional performances. Made from high strength silicone with 50% better impacts resistance than traditional plastic caps, reducing replacement costs and letting you focus on music creation. Perfect for frequent performers. Features a unique design for quick, effortless setup in seconds—great for beginners, music classes, or group activities. Not complicated steps required. Precisely designed to block moisture and dust, extending mouthpiece lifespans. Ideal for outdoor performances, rehearsals, or storage to maintain optimal instrument condition. Available in multiple colors and designs to matching individual preferences, enhancing instrument appearance and visibility. Suitable for all ages to showcase individuality. Specifications: Substance: Silicone Color: Black/Yellow/Purpleness/HotPink S Size: Approx. 1.48inch(37.48mm) L Size: Approx. 1.8inch(45.77mm) Package Includes: 1x Silicone Protective Cap note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.