【Set of 30 Hole-Filled Balls】 Great for practice! ◇ Bounces like a ping pong ball! ^_^ ◇ Lightweight, helpful for hitting practice and training dynamic visual acuity. ◇ Safe, with less worry about injury even if hit. ◇ Can also be used for children's ball games and pet toys. 【Color】Light Green (Green) 【Size】Diameter: Approx. 42mm 【Weight】Approx. 5g (per ball) 【Material】PE Polyethylene (Plastic) 【Quantity】30 pieces If you want a large quantity at once, please inquire about stock and we can offer a discount! *Please note* To reduce shipping costs, we will ship with simple packaging. We inspect the items, but there may be inconspicuous scratches, stains, or imperfections in the manufacturing. ★Get even more deals with follow and bundle purchases★ 【Follow Discount】50 yen off. 【Bundle Discount】Available from 100 yen off. (Limited to a total of 1200 yen or more) ※ We may not be able to offer bundle discounts if items cannot be shipped together. ※ Please inquire in the comments section for any discount requests!