The Wilson A1010 Pro Baseball features super seam technology with seams 20% higher than raised seam baseballs, pitchers experience superior control on the mound. Fielders can locate the ball quicker in their glove and throw with more accuracy. Dura-core technology added to red cushioned cork helps the ball retain hardness 15% better than the competition. Formed to withstand impact and give you the game challenging performance you need. The cover is made out of Grade A full grain leather. Comes in a 12-pack.