10X(Made from Rubber Softness and environl friendly.< />No noise when dropped, and easy washable.< />When you do not use the instrument, co it and prevent the dust falling on the mouth, protec mouthpiece rail.< />It fi for most part of mouthpieces(Clarinet, Saxophone,Tenor Saxophone,Saxophone accent, Saxophone treble).< />Durable and easy to carry, small enough to fit.< />Colour: black< />Material: rubber< />Size: mouthpiece 4.6x3.0x1.7 cm< />Package Conten:< />15 x mouthpiece caps)