<ul class="productmiaoshu"><li><span class="a-list-item"> ★ A30 Material ★ White Goose Feathers + Compound Cork Head </span></li><li><span class="a-list-item"> ★ Weight ★ 5g (Per Shuttlecocks). </span></li><li><span class="a-list-item"> ★Good stability ★ the goose feather is straight and thick, has good strength, and enhances the resistance of the shuttlecock. The shuttlecock is not only durable but also stable in flight. </span></li><li><span class="a-list-item"> ★The sturdy feather frame with the same length, greatly enhance the ball resistance and stability. </span></li><li><span class="a-list-item"> ★ In order to improve the service life of the badminton in the low temperature or dry climate, you can increase the humidity of the feathers by some water vapor before playing, but do not spray some hot water to the feather pieces. </span></li></ul>