Add Some Laughs To Your Brass: This 4 Pack of clip-on for small shank trumpets and trombones are guaranteed to get a good laugh during band practice, marching band, and performances. clip onto the mouthpiece and can be added or removed in seconds Value 4-Pack With Protective Case: Comes with 4 clip-on in a hard, protective case so you can throw them in your instrument bag and carry them around safely. Instrument mouthpiece not included For Trumpet or Trombone Players: The quick andamp; to spice up the symphony for any young musician in your life. Two means they have one to share any time they play Small Shank Mouthpiece Only: These clip-on are designed for small shank trumpet andamp; trombone mouthpieces, most often used by newer players. If your trombone includes spit valves, you need the larger size mustache. Note: May not make you play better but you'll look good doing it. size: 3.5 x 6.5 x 3cm Material: plastic colour: black Package Contents: 4 x Clip-On Mustache Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.