Thank you for viewing this item from among our many products. Aluminum 3-WAY CUP trumpet mute. This mute allows for three playing positions: cup, straight, and plunger (see photos). The cup is removable, allowing for subtle adjustments to tone and volume. It can be used with B♭, C, and cornet trumpets. Also, by attaching the cup section to the bell, it can be used for practice. ⚫︎Brand: BEST BRASS ⚫︎Model Name: 3-WAY CUP TRUMPET ⚫︎Functionality: Cup, straight, and plunger playing positions ⚫︎Materials: Aluminum (body), Plastic (cup) ⚫︎Comes with original cardboard case and instruction manual ⚫︎Weight: 125g I only used it once to check the sound quality and volume. As it differed from the sound and volume I was looking for, I am offering it for sale.