Material: durable clarinet stopper is made of cork, thin material, very flexible, has small spots, durable, and the clarinet Bb instrument pad is made of sheepskin caseFeatures: clarinet stopper sheet has excellent compression and decompression ability, with good sealing, noise resistance, abrasion resistantApply to: clarinet repair kit fits most Bb clarinets; Good spare part for repairing clarinet, practical and convenient to use, great instrument repair accessoriesColor: wood colorMaterial: corkSize: corks: 81*11*2mmPackage contents:10 x cork clarinet17 x clarinet padOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.