A gel mute with a Teflon coating on the top. A set of 7, 6 small pads and 1 large pad. You can easily obtain a muting effect by simply placing it on toms, snares, etc., and you can adjust the degree of muting by adjusting the number of layers.
This standard pack includes four E-Rings from EVANS, available in 12"", 13"", 14"", and 16"" diameters. These are harmonic control rings that are placed on the surface of the drum head. They suppress harmonics and allow for a flat sound. They also make tuning easier.