Brunswick Crown Factory Finish Bowling Ball Polish ? 6oz Restore your bowling ball?s factory finish and performance with Brunswick Crown Factory Finish Polish. This high-quality polish enhances length and backend reaction while bringing back the tacky feel on reactive resin surfaces. Safe for use on all bowling ball types, this polish is the same formula used at the Brunswick factory and is USBC approved for competitive play. Key Features: Enhances Ball Reaction: Provides added length and strong backend motion on the lanes. Restores Factory Shine: Rejuvenates the tackiness and glossy finish of your ball. Versatile Use: Safe for reactive resin, urethane, and plastic bowling balls. Easy Application: Apply with a towel using smooth, even pressure?works with or without a ball spinner. USBC Approved: Safe for use before and after certified competition. Trusted Formula: Same polish used in the Brunswick bowling ball manufacturing process. Perfect for bowlers looking to maintain or restore their ball?s out-of-the-box performance.