Relative to the copper mouthpiece advantage:More environmentally friendly: without surface treatment such as electroplating or spraying.A more beautiful look: a of translucent colors, patented structural .Transparent ensures no defects inside the product.It is easier to pronounce and the sound quality is more beautiful. light weight (15g), anti-fall, no deformation, no cracking.Particularly suitable for people with metal allergies.Model: 3CLength: 8.8CMcolour: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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.