High quality goose featherMade of natural goose feathers, feather hair straight and thick, good strength, improve Badminton durability, ensures a smooth and even flight. High quality headOur shuttlecocks have the highest quality natural cork head, good elasticity, good impact and durability, not easy to crack, ensures flight stability. DurabilityStrong adhesive makes the frame sturdy and ensures the feather and head do not crack easily. Premium nib and sturdy structure provide continuous play and make the ball last for longer periods of time. ApplicationOur badminton balls are suitable for entertainment, daily training, family leisure and exercise fitness. Specially designed for trainers, amateurs and beginners. Perfect packaging12 badminton shuttlecocks are packed in a great tube, in which the shuttlecocks are well protected during shipping.