SoundOff by Evans Full Box Set, Standard Drum mutes for standard-sized kits; 12,13,16, 14(snare) plus bass and cymbal mutes Adjustable bass mute fits 18" to 26" bass drums Realistic cymbal and hi-hat rebound A great gift for any drummer; practice at home without having to worry about volume control All SoundOff by Evans drum mutes are designed, engineered, and manufactured to the most stringent quality control standards in the industry