PROVEN CORE: The Rhino features the ever-popular light bulb symmetrical core shape, known for its proven consistency for multiple styles of bowler. DURABLE COVER: The Rhino features the R-16 coverstock. Perfect for the beginner bowler, looking for a durable bowling ball that performs! SHINY FINISH: The Rhino has a 500 Siaair Micro Pad finish with both Crown Factory Compound and Crown Factory Polish over top. BUY WITH CONFIDENCE: The Rhino Carbon/Lime/Silver carries a 2-year limited manufacturer's warranty.