Box 16 - Regulation Size 2 1/4" Pool Table Billiard Cue Ball Go to amazon.com Related posts Top recommendation for billiards cue ball FeatureGrade A deluxe qualityRegulation size 2 1/4" and weight 6 oz cue ballMade of polyester resin - box of 16 balls DescriptionRegulation size 2 1/4" and weight 6 oz cue ball - Made of polyester resin - box of 16 balls