? Product Description Train with CHAMRPO 7.5" Precision Baseballs to improve batter focus and accuracy. Practicing with these smaller balls helps hitters make better contact with official size balls. Athletes can also work on improving their hand-eye coordination by learning to track, catch, and hit these smaller-than-official-size balls. A genuine leather cover makes these training balls last longer, holding up under repetitive use. A cork and rubber core wound with 5% wool yarn helps maintain the ballas shape. Comes in a set of 4 training balls. ? Specifications size 7.5-Inch color WHITE model CBB775S material Leather itemWeight 1.00 pounds partNumber CBB775S manufacturer Champro productDimensions 4.6 x 2.7 x 13.4 inches ? Fast Shipping | ? Quality Guaranteed | ? Customer Support 30-Day Returns ? 100% Satisfaction