One shuttlecock is unopened, and the other has been opened and contains 8 unused shuttlecocks. * These shuttlecocks are the answer to the problem of wanting to practice with official-grade shuttlecocks but not being able to use a large quantity due to the high cost. They are designed to mimic the official-grade shuttlecocks used in matches, offering ultra-durability, a high-quality feel when hit, and excellent flight performance. * Suitable for intermediate to advanced players, the higher the tension of the strings, the easier they are to handle. * Suitable temperature: No. 2-3: 22-33 degrees Celsius * Materials: Waterfowl feathers, natural cork ☆Free shipping, instant purchase OK☆ Simple packaging Anonymous shipping (Rakuraku Mercari) Please also read the profile.