Study Level Bitter Bamboo Chinese Bamboo Flute Chinese Dizi Instrument With Accessories Material: over 4 years bitter bamboo, white copper, imitation ox horn, etc. Characteristics: two section dizi, study level.Keys to choose from: C, D, E, F, G. Please select the key you want. If you don't choose, we'll send you C key by default. Workmanship: carved Chinese characters (random), carefully selected aged bamboo, and with fine workmanship by dizi master maker. Accesseries: membrane (dimo), Chinese knot, flannelette pouch, dimo protector. Note: the multiple quantity of dizis in the below pictures is only for aesthetic perception, what you will get is one piece.