Soft, but extremely durable, the Fantastic DuraFoam Ball is ideal for fetching indoors and out, as well as in water. Interactive play is important to keep your dog fit physically and mentally. Starmark Interactive Play toys are designed for you and your dog to play together. The DuraFoam toys are made from extremely durable patented foam that is soft and safe on your dog’s teeth and gums. They also float in water for fetching fun at a lake or beach.