Complete billiards ball set; includes 7 striped numbered balls, 7 solid numbered balls and 1 aramid Pro cue ball with Red InsigniaStandard size: 2.25 inch ballsPerfect roundness and balance, uniform weight and hardness provide friction resistant roll and reactionAramid phenolic resin balls last up to five times longer than balls made from polymersFor decades, aramith billiard balls have had a legendary reputation for outstanding endurance and uncompromised quality