Made of high-grade resin material, unique impact, tear and wear resistant. Its engineered molecular structure, enhancing drastically the longevity of the balls. Minimizing significantly, the table cloth wear during the playing process. Our professional Pool Ball is a great training ball to improve your billiard skills. Features -Color:Black -Material:Resin -Size:5.70X5.70X5.70cm/2.24X2.24X2.24in - Replacement Billiard Ball, suitable for pool , home billiards, tournaments, etc. - Through the professional billiards training of scientific and accurate segmentation, how to click the ball at the same time. - The Pool Cue Ball is made of high class resin, with excellent scratch and impact resistance, more durable, with a longer gloss. - By observing the impact point, we can understand the rotation point, rotation Angle and direction more clearly. - Perfect for game rooms, bars, sports games, casual workouts and players of all skill levels to pool practice. Package list: 1 Cue Ball