D sound muffler-- these d dampeners pads are made of Silica gel, flexible, and it can be used for a long time. Silica gel d silencers-- provides volume reduction and will not drastically alter the d s feel. professional and practical to use. D mute cushion-- it can be given as a gift to your friends who are learning to play d s. they will definitely be very happy. D pads-- no odor, durable, flexible, and it can be used for a long time. you deserve to have one. Dampener for-- a for a d mer to practice at home without having to worry about volume is not controlled.<br><br>size: The single black dot is about 3.3 x 2.6 x 0.3cm, the curved version is about 16 x 2.5cm Material: Silica gel colour: Black<br><br>Package Contents: 12 x black dot style Silent pad 2 x arc style Silent pad<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.