Product Description Awesome Designs and custom graphics. All On The Ball Bowling Balls are made to order and are sure to stand out on the lanes. Available in 8, 10, 12, 14, 15 and 16 lbs.Color: Multi*Please note that colors may slightly vary from image shownCoverstock: PolyesterWeight Block: Traditional 3-PieceFactory Finish: High Gloss PolishFlare Potential: 1″ (Low)Radius of Gyration (RG): HighDifferential (Diff): LowIntermediate Differential (Mass Bias): 0.000