Brunswick T-Zone Indigo Swirl Bowling Ball (10lbs) It's always good to have a spare And with T-Zones being so affordable, you can! Just pick your favorite color, or two, or three! Great Ball for Kids, Beginners and Spare Shooting Coverstock: Plastic/PolyesterBall Color: Many Colors Available- Product color of this ball is listed in the title of this ball Ball Finish: High Gloss Polish Hook Potential: 25 (Low) on a scale of 10-175 Low-HighRecommended Lane Conditions: Any