Fiber mute with a traditional cup mute tone. Features: • Adjustable Cup. • Can be used as a Straight Mute with cup portion removed. • Fiber Construction. • Traditional Vintage Sound. • Perfect Pitch in All Registers. • No "Squirrelyness" or dead notes. • Lightweight at only 2.8 ounces (82g). • Won't fall out of the bell - specially shaped neoprene corks.