Aramith Professional Series billiard balls are crafted from the highest quality phenolic resin, providing exceptional scratch and impact resistance. Phenolic resin is proven to last up-to 5 times longer than balls made of polymers or polyester. Each ball is regulations size, measuring 2-1/4″ in diameter and features the classic “numbers in the stripe” design. This complete set of 16 balls includes 8 solids, 7 stripes and a cue ball. This Pro Advantage Value Pack contains a bottle of Aramith ball cleaner and a microfiber cloth to keep your billiard balls polished and lustrous for years to come. Also included is the Armith 2-1/4″ regulation size training cue ball that was developed by American Professional Pocket Billiards player Jim Rempe, who was inducted into the BCA Hall of Fame. The Jim Rempe training cue ball is marked with rings and targets on the surface of the ball, allowing you to practice judging the effects of very particular amounts of sidespin, topspin, backspin and other forms of cue ball control. Intended to help players of all skill levels improve their game; one side of the cue ball is designed for beginners, and the opposite side provides instruction for advanced players. Also included is a 56 page instruction manual which provides instruction on how to properly use the training patterns and offers additional tips and tricks to help you learn to control your cue stroke. Aramith billiard balls adhere to the most stringent specifications in the industry, ensuring superior playability and durability. They are constructed with perfect roundness and balance, uniform weight and hardness, brilliant colors and a friction resistant roll. Aramith Professional Series billiard balls are the preferred balls used in tournaments and championships worldwide.