Approximately 180 pieces. Manufacturers include YONEX and others. I think these cannot be used for badminton practice. Please use them for baseball fielding practice. ⚠ Please purchase only if you understand that these are used and old items. ⚠ No price reduction (will be ignored). ⚠ We also decline requests for price reductions (will be ignored). ⚠ Please refrain from purchasing if you are slow to rate or do not rate at all. ⚠ If you do not rate within one day of receiving the item, you may not receive a good rating (unless you have contacted us, please consult). ⚠ We do not accept any complaints. If you have any concerns, please comment before purchasing. ⚠ For convenience store payments, please pay within 24 hours.