Designed for everyday use, the NONGI Shuttle offers high durability and to make your matches worthwhile. A shuttlecock is made of 16 feathers glued and bound together with a string and tucked into a rounded rubber cork base . The pace and speed of these shuttlecocks are Medium slow, which is appropriate for practice and training purpose . In one box, you can find 10 shuttlecocks. These shuttlecocks have DESIGNER FEATHERS, which makes shuttlecock attractive and increases the visibility of it . With these shuttlecocks, you can excel in your learning and hit the shots with ease.