Aramith produces some of the highest quality balls on the market today. This Aramith Snooker Ball Set includes 15 red balls, six colored balls and a white Aramith cue ball. Each ball measures 2 1/16″ or 2 1/4″ in diameter. Aramith balls feature:- Perfect roundness and balance – Uniform weight and hardness – Brilliant colors – Friction resistant roll and reaction. When you make an investment in Aramith balls, you can be assured you are getting one of the highest quality ball sets on the market. Aramith phenolic balls last up to five times longer than other balls made from polymers or polyester. Billiards-play simulators have shown that Aramith phenolic balls are still perfectly playable even after 400,000 hits, whereas others were rendered unusable.