Product description Onown 40 Pieces Alto/Tenor Saxophone and Clarinet Mouthpiece Cushion Food-Grade Sax Mouthpiece Patches Pads Cushions 0.8 mm Thick Rubber Strong AdhesiveFeatures: Greatly reduce the vibrations on top of your teeth from the mouthpiece;Able to control the preure on the mouthpiece and protect your teeth from getting hurt;Strong adhesive that do not peel off during the use;Food Grade soft rubber,Non chemical smell and comfortable to use;Help correct your tone to let it to be on the notes correctly; Easy Application Wash the surface of the mouthpiece with water or alcohol, dry it, and try to remove the pad from the position where the mouthpiece is to be attached; Carefully remove the liner; (Do not touch the rubber surface) Stick it on the mouthpiece for once Specification: Material: food-grade rubberColor: blackDimension: 0.8 mm in thickne, Oval shape 27 x 20 mmNet weight: 50 g/ 1.76 oz Package includes: 40 x Saxophone and Clarinet Mouthpiece Cushions Onown 40 Pieces Alto/Tenor Saxophone and Clarinet Mouthpiece Cushion Food-Grade Sax Mouthpiece Patches Pads Cushions 0.8 mm Thick Rubber Strong Adhesive