Helps keep dogs happy, healthy and fit. It can enhance the friendship between dog and owner. A fun pet toy to keep your dog mentally and physically stimulated. Suitable for teddy, poodle,than bear dog,the pomeranian and other small dogs. Can not easily be bitten, strong enough to deal with the big dogs chewing force, challenging game for a long time, the development of dog intelligence. Although non toxic TPR ThermoPlastic Rubber has been around for a while, it is a relatively new dog toy material. TPR has both very durable and flexible properties ideal for the composition of, for example, skiing and mountain climbing boots.