Li-Ning D8 Feather Shuttlecock - Pack of 12D8 shuttles are precisely engineered feather shuttlecocks made with the highest quality composite cork and premium duck teal feathers for intermediate to professional level games. The natural cork ensures effective weight distribution and gives you a professional playing experience with optimum flight path and durability. Product Highlights Pack of 12 cork base Hybrid durability 9 10 flight 10 10 player level Professional