Pool trainning cue ball is crafted from highest grade Poly-Resin for tournament level play. It has similar performance as Phenolic Resin cue ball, These cue ball is more Durable and Come with a Higher and Longer Last Gloss Shine..Regulation size trainning cue ball marked with 6 blue dots on the surface of the cue ball, These billiard cue ball have perfect roundness and consistent weight which provides exceptional scratch and impact resistance. Each cue ball are produced to the most exacting tolerances, meeting all professional quality benchmarks for size, roundness, density, balance, weight, color, and hardness..This AAA Grade Training Cue Ball with standard 2-1/4 inch in diameter and 6 oz +/- 0.05oz in weight. High friction resistance. The pool cue ball come with a pure white box . Easy to store and gift option..This practice cue ball is perfect for American Style Pool – Black 8 & Pool IX, NOT for Snooker and coin operated pool table! It comes a cue ball with 6 blue dots & a white box..We Ensure 100% Money Back or Replace Item of any quality issue within 90 days of your purchase,If you have any questions with it ,Please feel free to contact us via email.