LOTUS Trumpet 3XS Nickel Silver Gen3; mouthpiece for trumpet; cup diameter: 16.60 mm, comparable to Bach F, Monette B6LV S1, Schilke 13A4A and Yamaha 13A4A/Shew Lead; material: nickel silver (brighter and more focused sound, clearer articulation), LOTUS gold coating: hypoallergenic, scratch-resistant and does not tarnish; full and round sound; easier playing of the high register; clear response; suitable for lead playing