The Gor Flex range is made using TPR (thermoplastic rubber) which offers a superb combination of rubber and plastic to give a very tough and flexible toy. The Squeak & Treat Ball has an encased squeaker which means even if the toy is pierced it still continues to squeak. It also has a groove around the ball to insert small treats. It squeaks and has treats, making this the ultimate dog toy. The Flex material ensures long lasting funtime for your dog. As with all toys, please ensure your dog is supervised whilst playing for their comfort and safety. This toys is ideal for puppies and light chewers.