Storm Mix Black White Pearl Bowling Ball Designed to deliver predictability and strength shot after shot, the Storm Mix Black White Pearl is ideal for beginners and pros alike. Featuring Storm?s classic Traditional 3-Piece Core, this entry-level ball is your ultimate companion for spare conversions and dry lane conditions. The standout feature? Its U1S Pearl Urethane Coverstock, the most durable shell Storm has ever created. Unlike traditional polyester balls that chip or crack over time, the Mix is built for long-lasting performance and polished with a 3500 grit finish to ensure smooth, straight shots even on worn-out lanes. Finished in a sleek Black and Silver Pearl color blend, this ball is both stylish and reliable, with minimal flare potential (0?1"), making it ideal for dry lanes or spare shooting. Technical Specifications: Brand: Storm Coverstock Type: Urethane Coverstock Name: U1S Pearl Urethane Core Shape: Symmetrical Core Name: Traditional 3-Piece Core RG (15LB): 2.69 Differential (15LB): .006 Mass Bias Strength: N/A Flare Potential: 0 ? 1 Inches Surface Finish: 3500 Grit Polish Lane Conditions: Dry, Dry ? Medium Oil Performance Level: Entry Level / Spare Ball (Storm Ice Line) Color: Black, Silver Available Weights: 6LB, 8LB, 10LB, 11LB, 12LB, 13LB, 14LB, 15LB, 16LB Scent: None Durable, consistent, and sleek?the Storm Mix Black White Pearl is a smart choice for control and longevity.