OFFICIAL SIZE: These softball is made as 12 inch, weight: 6.5 oz, package of 4 balls. This soft ball is lighter than the standard weight and is beginner friendly and prevents injuries. The lay-flat seams on the balls minimize air-friction so you can throw for maximum distance UNMARKED SOFTBALLS：No manufacturer's identification at all. Perfect for private custom with a lot of room for autographs or your logo, creative ideas. With the right signatures or images, this softball is a great addition to any softball fan. IDEAL FOR TRAINING: Suitable for both beginners and advanced players to improve their softball skills through regular practice Unmarked Design: These softball has no manufacturer markings, providing ample space for signatures, custom logos, or creative designs. The unmarked design allows for flexible use in various training drills and games, enhancing visibility and focus These softballs are perfect for youth softball players, and other beginners to learn how to track, throw and field the ball with ease. PRACTICE SOFTBALL