Find different sound: you can place one or more non-toxic soft d dampeners on any d or cymbal on your kit, and you can also put d gel dampeners closer to the edge of your d s results in the nice sound or which will be able to find sounds you like Practical design: d dampeners are clear, self adhesive and can hold up well on the d , good adhesive d gel pads will not easily fall off, but you can remove them easily without residue when cleaning the d Good accessories for d s: d dampeners gives you precise d dampening system, and lets you dampen without destroying the old tone of your d s, will bring convenience to you Reliable material: these d dampeners gel pads are made of high quality material, non-toxic and safe, easy to clean by water or soap and keep them air dry before re-sticking to the d Widely applicable: dampening gel pads can place on any d , cymbal, or percussion inst ent to cut down on unwanted ringing or overtones which is vital for any d mer colour:Blue Material:Silica gel Package Contents: 12 x D silencers Only the above package content, other products are not included. Note: Light shooting 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.