Description: MaterialMouthpiece Cap is Made of silicone material, which is suitable for saxophone,metal, wooden mouthpieces.ProtectiveWhen not in use, the mouthpiece cap can prevent dust from falling off and protect the mouthpiece.FunctionMouthpiece Protector keeps reed the mouthpiece with moisture, good for reed maintenance.DustproofThis Clarinet Cap can protect the mouthpiece from scratches and dust, making your instrument fresh.PortableMouthpiece Cap Cover is easy to carry and store with compact size. It is suitable for most clarinets and alto saxophones. Size Chart: length:4.6cm/1.81inch Package Includes: 1Mouthpiece Cap Note: Please allow slightly errors due to manual measurement and different monitors.