The Wilson A1030 Champion Series SST Baseball, 36 Baseballs in a Bucket is an ideal companion for individual and team practices. One of the most versatile baseballs in the Wilson lineup, the raised seams makes this ball a perfect high school practice baseball or a youth game baseball. Center construction is red cushioned cork, cover construction is grade C/D full grain leather, and wind construction is gray wool. In addition, the foam topped lid is designed for sitting comfortably after a hard practice, a long game, or between innings.