Aramith balls feature perfect roundness and balance, as well as uniform weight and hardness. Formed into brilliant colors with a friction-resistant roll and reaction. When you invest 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 demonstrated that Aramith phenolic balls remain perfectly playable even after 400,000 hits, whereas others were rendered unusable.