1. STANDARD SIZE Each pitch training baseball adheres to official sizing standards, ensuring versatility for all training needs and official games. With a circumference of 9 inches, a diameter of 2.8 inches, and a weight that meets official requirements, this ball is for consistent performance. 2. RELIABILITY Enhance your pitching skills with this quality training baseball, featuring a durable rubber core and a tough PVC outer shell. Built for performance and longevity, it withstands intense training and frequent use, making it an essential tool for every aspiring pitcher. 3. EFFICIENT SKILLS DEVELOPMENT Transform your pitching technique with our innovative fingerprint marking system. Clearly visualize different grips for pitches like the fourseam fastball, curveball, and slider. for beginners, it accelerates learning by simplifying complex pitching mechanics for quick mastery. 4. MULTIFUNCTIONAL TRAINING AID Suitable for both left and righthanded players, this pitch training baseball offers a versatile and comprehensive practice experience. The ergonomic fingerprint design adapts to any grip style, helping players of all levels refine their skills effectively.