This is an auction for a Plyo Ball baseball speed training set, including official hardball and soft ball, and a KMH original cloth set. I purchased it on Amazon for 12,999 yen, but I am selling it because I have no opportunity to use it. It has hardly been used and is in good condition. You can start using it for practice right away. [Product Contents] ・Plyo Ball main set (a set of color-coded balls) ・KMH original cloth (for training and maintenance) [Product Features] ・Authentic training equipment specialized for increasing ball speed ・Usable for both soft and hard balls ・Effective for improving release points and stabilizing form ・Popular item used by many professional players and coaches This is a high-quality training tool that can be widely used for self-training at home, team practice, and instruction. Instant purchase is welcome. I will pack it carefully and ship it. Please feel free to comment if you have any questions.