Description: - Material: Whistle is made of durable carbon fiber with good sound quality and durability. - Smooth Surface: Folk instrument whistle has good structure and smooth surface, which will not hurt your fingers and mouth. - Accurate Sound: The hole of penny whistle is precision machined to provide accurate sound and tone. - Portable: The Flute whistling is lightweight and easy to carry and store. You can also take it with you when traveling. - Use: Whistle is ideal for children or beginners to train, practice and perform Also a perfect gift for music lovers, family and friends. Specification: - Material : carbon fiber Size Chart: D Key:28cmx3cmx3cm/11.02inchx1.18inchx1.18inch C Key:32.5cmx3cmx3cm/12.80inchx1.18inchx1.18inch Package Includes: 1 Whistle Note: Please allow 1-3mm measuring deviation due to manual measurement. Due to the different monitor and light effect,the actual color of the item might be slightly different from the color showed on the pictures.