Adheres to the most stringent specifications in the industry to ensure each ball has the right density, balance, diameter, roundness, glossiness, hardness and weight. The cloth wear and white marks that so easily ruin the look of the table are minimized. Billiard Cue Ball that will allow you to learn how to strike the cue ball in the same spot, to visualize the rotation of the ball.Features-Color:Black, White-Material:Resin-Size:5.70X5.70X5.70cm/2.24X2.24X2.24in- Billiard Ball is designed with precision, roundness and balance to ensure excellent playability and durability..- Calibrated and polished with Laser-tech, perfect round, intended to help players of all skill levels improve their games.- Manufactured with high-grade resin material, sturdy and practical for a long using life.- Smooth surface and creative design, and this Billiard Ball can give you a more professional experience.- This Billiard Ball is smooth and fine polished, which is very easy to wash and clean.Packing list: 1 x Pool Cue Ball