Product Description The ball features Bobby, the much loved character from R. J. Friedman’s bowling story book for kids “Bobby The Bowler and The Fearless Five”. 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