Designed for dog disc pros, the SuperSonic is a smaller, lighter version of the SuperStar. The SuperSonic weighs in at 112 grams making it one of the lightest, most durable dog discs on the market. The Supersonic not only adds distance to your throws compared to traditional dog discs, but is extra durable and puncture resistant. http://www.innovadiscs.com/discs/recreational-and-ultimate-discs/supersonic.html