The Tough Toy Boingo Rugby Ball is a hard, durable toy designed especially for active dogs. The boingo rugby ball is extremely tough, made safely with the finest natural rubber to withstand even the keenest of chewers and also makes noises which will intrigue canines, keeping them interested for hours with sound interaction for even more fun. - Tough dog toy, built to last - Tough plastic ball encased in a high grade rubber "cage" for durability - Swirls, whirls and bounces to keep your dog playing