Bowling balls with exclusive 360 degree, limited edition graphics. At the bowling center or on display in your home or office, there's nothing cooler than a Viz-A-Ball. Real bowling balls designed with your favorite images. Coverstock: Plastic/Polyester Ball Finish: High-Gloss Polish Hook Potential: 25 Low Recommended Lane Conditions: Any Patterns may not align perfectly and there is a very small seam where the patterns come together which does not affect the performance of the ball.