Brunswick World Viz-A-Ball Introducing viz-a-ball from Brunswick: this ball also glows when bowled with under the black light; bowling balls with exclusive 360 degree, limited edition graphics; This bowling ball is perfect for the recreational Bowler or beginner; this also works well for experienced bowlers who want to Throw the ball Straight at spares; This ball is made of a high quality polyester material and the Actual image is embedded into the surface of the ball