The Selmer Paris Clarinet Mouthpiece Patches provide you with a comfortable playing experience. Suitable for all clarinet mouthpieces these patches allow you find an embouchure position that works for you to help you to play your best. They work to dampen the vibrations of the mouthpiece helping to ease the pressure on your teeth. Not only do the Selmer Clarinet Mouthpiece Patches protect your teeth and provide comfort they also protect your mouthpiece against signs of wear like bite marks. The 0.35mm thickness is enough to do this without being too soft that you lose that crucial control over your playing. Made in France these are high-quality mouthpiece patches that will last - and they come in a handy pack of 6 so you can replace your patch when needed.