【High-Quality Material】 These practice rubber baseballs are made of durable two-layer molded rubber, ensuring they can withstand long hours of use. Brand new, unused. Stored away without being used. 【Official Size】 Designed with official size and weight, making them ideal for developing a feel for actual games. 【Convenient Package】 A package of 12 balls, perfect for team or individual practice. Designed for easy portability. - Product Name: Practice Rubber Baseball - Quantity: 12 balls ⇒ 10 balls - Material: Two-layer molded rubber - Size/Weight: Official size/weight - Application: General use Thank you for viewing.