Product Description: 2 1/4" Regulation Size and Weight Made of Polyester Resin - 6 oz Ball - Also uses great indications for marble/swirl style - Price is for full set of balls including cue balls - Set box included Grade A Deluxe Quality - 2 1/4" Regulation Size and Weight 6 oz - Made of Polyester Resin - Great for Marble/Swirl Style. Price is for a full set of balls including cue balls. Set comes boxed.