The Resno-Tone Trio Cup Mute Set is a unique product, and is intended for those players who own and play larger bell sized horns (Monette, Harrelson, Callichio, Etc.) as well as regular bell sized trumpets. Big Bell Cup is 4.90
The straight mute body is a great straight mute without the cups, but add the adjustable cups, and you have great amounts of tonal colors available to you as well as versatility!