Carrotmusic Model CD301B 5288b Bass F Professional Level Dizi Bamboo Flute Best value professional level dizi! Free accessory:1 pack of dizi membrane,1 dizi pouch Material:Bitter bamboo(Body),Ox horn(decoration),Copper alloy(joint) Instrument range:C3-D5 , Instruction:Yes (English) *Carrotmusic is the sole supplier of this product. We can not be responsible for the quality of product sold by other sellers who claim to carry this item.