The Champion Training Ball set by Aramith is a 2 sided 2.25" training cue ball that is sure to take your game to the next level. The front side of the training ball focuses on making shots. The back side of the ball focuses on giving you maximum control of the cue ball. This set comes with a 30 page instructional booklet, a cue ball disc and a home practice pocket. Use what some of the top player use to hone their skills!