We do not accept price negotiations. rebolld Rebolld Mugen Niginigi Ball Diameter: Approximately 5 cm I am selling this because I didn't use it much. Although I haven't used it much, please check the stitching in the photos. This is a used item, and while I have inspected it, there may be oversights. I cannot confirm everything perfectly. We appreciate your understanding. The shipping method may vary between Yamato and the post office. Thank you. Baseball Stress Relief