Vibrato Alto Saxophone, World's first Polycarbonate Saxophone, Model A1 SIII The body and neck of A1 SIII is made of solid polycarbonate. With denser properties, the Vibrato A1 SIII gives a better resonance and a more projected, focused sound while still producing a think and warm tone. The properties of this specific blend also produce a sax that is shinier in apperance and quite attractive. A traditional brass sax is very sensitive and users finds that the sound can be distorted easily, not to mention the frequent maintenance and cleaning required. The Vibrato A1 SIII requires much less maintenance compared to a brass sax. Vibrato Saxophone is easily to be cleaned, waterproof, rinse off with warm water and air dry. It comes with a white polycarbonate mouth piece but it will take any regular alto mouthpiece. comes with FREE Vibrato original carry on bag.