With a drum set of keys, play an auxiliary role for the market most of the conventional drums, as well as the square snare snare drum, the drum into the regulation paste close fit, high viscosity can be reused, can be washed. Used to eliminate overtones of drums to make the sound more perfect and perfect sound. Color: transparent color + silver Material: silicone + metal size: stickers: 3.1 * 2.4 * 0.36cm (length * width * height) Drum key: 47.4 * 36 * 9.8mm Bore: 5.5 * 5.5mm : 6 pieces each Drum damper gels features: 6 premium drum dampeners that will make your drums sound amazing! These dampers are guaranteed to work on your resonance heads (and cymbals).you become to adjust your drum sound exactly to your needs. The included spacers can be applied as dust discs ? Damper are easy to clean: Simply wash with soap and water (air dry) Free drum key, You will get one free motion speed drum key, easy installation,best quality for all drum tuning! drum key gets that perfect amount of ring control, without killing the tone, the feel or the volume of the drum. Package Contents: 6 x shelves Drum snare 1 x shelves Drum wrench 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.