Fat Cat 2-1/4" Regulation Size Billiard/Pool Balls, Complete 16 Ball Set A complete set of 16 balls that includes solid balls (numbers 1-7), striped balls (numbers 9-15), an eight ball, and a white cue ball Each billiard ball measures 2-1/4 inches in diameter, and weighs 6 ounces Made of high grade poly resin, each ball is calibrated and polished for perfection