Made of good material, strong impact and wear resistant. Our professional cue ball is a great training ball to improve your billiard skills. The fully embedded 6 dots are good for players, easy to pot and control the ball. Regulation size training cue ball is crafted from sturdy material, which provides exceptional scratch and impact resistance. Features -Color:Assorted Color -Material:Plastic, Iron -Size:5.25X5.25X5.25cm/2.06X2.06X2.06in -Inner Diameter:16mm/0.62in -Smooth surface and six dots patterns, and this billiard ball can give you professional experience. -Marked with 6 dots on the surface of the ball, which allows you to check the placement of your chalk mark, helping you achieve a consistent cue stroke. -Calibrated and polished with perfect round, intended to help players of all skill levels improve their games. -Manufactured with good and anti-wear material, sturdy and practical for a long using life. -This billiard training ball is smooth and fine polished, which is very easy to wash and clean. Package list: 1 x Billiard Training Ball 1 x Base