libretto baritone saxophone mouthpiece kit, giftable standard mouthpiece set: abs 4c mouthpiece, plastic cap, gold lacquered ligature. finely designed for beginner and intermediate on the music way. libretto the goal and mission of libretto is to make musical instruments attainable to every music lover. with 40 years of experience providing odm and oem services to the musical instrument world, our team consists of designers, engineers, and musicians from north america, europe, and asia. we design our products based on world classic models and utilize modern technology to improve playability and tonal quality. our products go through quality craftsmanship in production and each one of them are play tested by our quality assurance team before each shipment. by choosing libretto, we hope all player, whether beginners or seasoned musicians, enjoy the pleasure of playing music without obstacles. buy with confidence as it comes with amazon’s warranty policy against any manufacturer's defects.