Brunswick T-Zone Green Envy Bowling Ball 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/Polyester Ball Color: Many Colors Available- Product color of this ball is listed in the title of this ballBall Finish: High Gloss Polish Hook Potential: 25 (Low) on a scale of 10-175 Low-High Recommended Lane Conditions: Any