Chinese Muiscal Instrument Suona Whistle Mouthpiece for horn pout accessory. Made of durable plastic, good tightness, not easy to leak air. These mouth are ready-to-use ones, so no need to be further processed. It is a one, no need for trimming. Suona mouth is consumable, needs to be replaced regularly. Specification: Material: Plastic Large Size(L x W): Approx. 21 x 11 cm / 8.3 x 4.3 inch Middle Size(L x W): Approx. 18 x 10 cm / 7.1 x 3.9 inch Small Size(L x W): Approx. 10 x 9 cm / 3.9 x 3.5 inch Package Includes: 5 Pieces Suona Whistle(8 Pack) Note: Due to the manual measurement, please allow 1-2mm differences in size. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.