Thank you for viewing. This is a used YONEX AEROSENSA 500 white feather shuttlecock. Some different types are also mixed in. These are worn-out shuttlecocks for knock practice. Since they are for knock practice, they are basically unusable for badminton. If you use them for badminton, they will only be suitable for hitting practice as the feathers will be quickly damaged. How about using them for baseball batting practice? How about using them for toss batting or your child's self-practice? Recommended for those who want a large number of shuttlecocks at a low price. Will be sent in simple packaging. Instant purchase is OK. Please note that the item may be removed suddenly as it is also listed on other sites. Please purchase if you understand that these are used items. Thank you. YONEX Knock Baseball Hitting practice Smash Push Tee batting etc.