Description de chez Musicroom FR : Made of non-slip pure rubber for real action, Vic Firth Drum mutes make quiet practicing an option on the drum set. Retaining an excellent stick response, this set of durable mutes brings the drums down to a volume better suited to indoor or home practice. bRock Kit Size contains: 12', 13', 14', 16', 22', hi-hat and 2 cymbal mutes.