Diamond Sports 6 gallon bucket with 30 Leather Practice baseballs is a great package for practice. The baseballs have a full-grain leather cover with a cushioned cork center and grey wool lining for performance and durability. They are perfect for Practice as they are Blem Balls with only minor exterior blemishes (cover and/or stitching), otherwise normal performance official leather baseballs. Genuine leather cover Solid cork composition core Great Baseball for Practice 6 gallon size ball bucket Padded top for seating comfort