30-piece set of hollow balls, usable as batting practice balls for baseball and softball. Recommended for batting practice, toss batting, tee batting, and practicing breaking balls! Made of lightweight and durable PE material (plastic), so it doesn't hurt when hit, reducing the risk of injury, and can be used safely in youth baseball or both outdoors and indoors! The hollow structure prevents the ball from flying too far, making it perfect for practice in tight spaces. Bright green color that is easy to see even at night outdoors! Also recommended for softball, tennis, and golf practice balls, and for playing with balls. 【 Features 】 ① Lightweight and durable PE material! A large set of 30 pieces! ② Small balls for practicing hitting the sweet spot of the bat and training dynamic vision. ③ The color is fluorescent green, making it easy to see at night or when visibility is poor. 【 Product Details 】 Size: Approximately 42mm Color: Green Weight: Approximately 6 grams Quantity: Set of 30 ★ Thank you very much for viewing! Get even more deals with follow and bulk purchase! Follow Discount ▶︎ 50 yen off Bulk Purchase Discount ▶︎ Available from 100 yen off ※ Limited to a total of 1,200 yen or more. ※ May not be available if items cannot be shipped together. 【 Notes 】↓ Please understand. ・The color of the actual product may differ from the photos depending on the lighting in the room and the environment of the monitor. ・We check, but there may be inconspicuous stains or small burrs. Type: Other