Andoer 8pcs Alto/Tenor Saxophone Sax Mouthpiece Patches Pads Cushions 0.3MM / 0.8MM (Optional) Includes 8 pieces of mouthpiece patch. Fit for Alto/Tenor Saxophone. 0.3mm in thickness. These high quality mouthpiece patches provide a more comfortable resting place for the top teeth and take away annoying vibration.