Relative to the traditional copper mouthpiece advantage:More environmentally friendly: 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-fall, no deformation, no cracking.Particularly suitable for people with metal allergies.Model: 7CLength: 88CMcolour:transparent whiteMaterial:ABS Package Contents:1 * Trumpet MouthpieceOnly the above package content, other products are not included.Note: Light 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.