Hole-y Baseball Practice Balls (Field Force) Perfect for indoor and nighttime batting practice! Won't break even when hit with a bat. Even if crushed or stepped on, it quickly returns to its original shape. ① Soft ② Ultra-lightweight ③ Doesn't fly far ④ Good feel when hit ⑤ Durable - a ball that combines all these elements. You can easily crush it with your fingers, but it's very strong. Used only 2 or 3 times and stored at home. Please understand that this is a used item before purchasing.