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 gel dampeners closer to the edge of your drums results in the sound or which will be to find sounds you like Practical design: drum dampeners are clear, self adhesive and can well on the drum, good adhesive drum gel pads will not fall off, you can remove 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 to you material: these drum dampeners gel pads are made of high quality material, non-toxic and safe, easy to clean by water or soap and keep air dry re-sticking to the drum Widely applicable: dampening gel pads can place on any drum, cymbal, or percussion instrument to cut down on unwanted ringing or overtones which is vital for any drummer colour:Blue Material:Silica gel Package Contents: 12 x Drum silencers Only the above package content, other products are not included. Note: Light 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.