Mizerak Aramith Belgian Phenolic Deluxe Billiard Ball Set with Molded-In Colors and Numbers Molded-In Colors and Numbers for Long-Lasting Play Premium Grade Phenolic Balls - Dramatically Improved Performance and Durability Precision Roundness and Uniform Density - Optimal Rebound; Improved Control; Accurate Shot Placement (15) 2.25" Standard Size Balls + Regulation Cue Ball