Li-Ning D8 Shuttlecock (Speed 77) (Tube of 12)The LI NING D8 SHUTTLECOCKS 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. Using superior quality duck feathers ensures an optimum flight path and better durability. SPECIFICATIONS Comes in a tube of 12 shuttles Cork Base: Hybrid