VERSATILITY IN THE ENTRY LEVEL: The Rhino line of bowling balls caters to all beginner playing styles. The Purple/Black has a shiny solid coverstock where the other colors have shiny pearl coverstocks! DURABLE COVER: The Rhino features the R-16 coverstock. Perfect for the beginner bowler, looking for a durable bowling ball that performs! PROVEN CORE: The Rhino features the ever-popular light bulb symmetrical core shape, known for its proven consistency for multiple styles of bowler. 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 carries a 2-year limited manufacturer's warranty.