★ A30 Material ★Goose-Feathers + Compound Cork Head
★ Weight ★ 5g (Per Shuttlecocks).
★Good stability ★ the feathers are straight and thick, have good strength, and enhances the resistance of the shuttlecock. The shuttlecock is not only durable but also stable in flight.
★The sturdy feathers frame with the same length, greatly enhance the ball resistance and stability.
★ 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 feathers pieces.