Features: Made of high-quality silicone material, exquisite and durable, it can be used for a long time. Curved neck designed for alto tenor saxophones. Stable and durable to use. Effectively improve the timbre performance of wind instruments, easy to use, and more convenient to install, disassemble and clean. Wide range of compatibility, specially designed for saxophone mouthpieces, suitable for most saxophone interfaces. Simple to use, fast and precise tightening, easy to use, better and more even sound.