Tiger Plastic Euphonium PEU-01 Lightweight, anti-drop;lacquer finish;gigbag ABS plastic Stainless steel valve core Bore size: 14.5-16.8mm; Bell size: 310mm; Mouthpiece: 5G plastic; Valve: 3+1 piston Import duties or brokerage fees(if necessary) are not included in the item price or shipping cost. These charges are at the buyer's responsibility.