Pack of 6. The Koelbl Mouthpiece Cushions will protect your mouthpiece from teeth marks and reduce the sensation of vibration, making them a must for any serious clarinet or saxophone player. The mouthpiece patches come in a pack of six and are self-adhesive, making them easy to apply. Choose from thick (0.8mm) black patches or thin (0.4mm) clear patches. Not sure which size would best fit your instrument? These fit most mouthpieces and can also be trimmed down if they are too large. Our most popular size is the large thick black 0.8mm. Large: for Bb and bass clarinet, alto, tenor and ba... [view details]