Thank you very much for your follows and repeat purchases. If you are not satisfied, we will accept returns or exchanges within 30 days of the product's arrival, even if it's due to the customer's circumstances. This is to ensure a worry-free transaction, and we appreciate your understanding. Since this is an immediately sold-out item, we cannot offer a discount. Thank you for your understanding. These balls were used for 3 days on an indoor carpet court at a tennis club event. They are in like-new condition. We will respond immediately to immediate purchases. We have about 200 balls in stock. If you purchase a large quantity, we can offer a significant discount, so please contact us before purchasing♪