Item Type: Saxophone MuteMaterial: Silicone 1NOT DISTURBING OTHERS: The muting of the alto saxophone helps you to lower your voice while playing so you can concentrate on your saxophone practice without disturbing others 2GOOD ASSISTANT FOR SAX LOVERS: Possess good noise reduction effect, easy to install and use. A good assistant for alto saxophone lovers 3REDUCE AIR BLOWN OUT: Helps maintain proper back pressure in the horn to keep air flowing through all the keys while reducing the air blown out 4NO DANGER OF SCRATCHING: Made of good quality silicone material, there is no danger of scratching the surface of the instrument 5EXCELLENT ELASTICITY AND SOFTNESS: The saxophone mute is environmental protection, non toxic and harmless, with good elasticity and softness