3 Tone C-Key Hulusi Gourd Flute Aluminum Copper Pipes Chinese Instrument

3 Tone C-Key Hulusi Gourd Cucurbit Flute. Discover the enchanting sounds of the traditional Chinese Hulusi, designed in the key of C. 1 x Hulusi. What is the material of the Hulusi?. It is made of aluminum with a copper-plated finish.