Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si Relative to the copper mouthpiece advantage: More environmentally : without surface treatment such as electroplating or spraying. A more beautiful look: a variety of translucent colors, patented structural design. Transparent design ensures no defects inside the product. It is easier to pronounce and the sound quality is more beautiful. Very light weight (15g), anti-, no deformation, no cracking. Particularly suitable for people with metal allergies. : 7C Length: 8.8CM colour:transparent white Material:ABS Package Contents: 1 * Trumpet Mouthpiece Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.