Find different sound: you can place one or more non-toxic soft drum dampeners on any drum or cymbal on your kit, and you can also put drum dampeners closer to the edge of your drums results in the sound or which will be able to find sounds you like Practical design: drum dampeners are clear, adhesive and can on the drum, good adhesive drum pads will not easily off, but you can remove easily without residue when cleaning the drum Good accessories for drums: drum dampeners gives you precise drum dampening system, and lets you dampen without destroying the old tone of your drums, will bring convenience to you Reliable material: these drum dampeners pads are made of high quality material, non-toxic and safe, easy to clean by water or soap and keep dry before re-sticking to the drum Widely applicable: dampening pads can place on any drum, cymbal, or percussion instrument to cut on unwanted ringing or overtones which is vital for any drummer colour:Blue Material:Silica Package Contents: 12 x Drum silencers Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.