Cork-rubber sheet made from cork granules mixed with rubber. It offers superior sealing and elasticity compared with traditional cork. Easy to work with and suitable for all types of wind instruments. It can be used for mouthpieces, joints, keys, etc. Can be cut to the desired size. Available in thicknesses of 0.4, 0.5, 0.7, 1.0, 1.5, 3.0, 3.5 and 4.0 mm, measuring 10 x 25 cm. Made in France.