It is made of high-quality and food grade HD EVA ABS material, It is gentle on the dog's mouth and the dog owner's hands, but also super strong and durable enough to play push-and-pull games. This flying ring is also washable and easy to clean with no worries. The small fitness ring has a diameter of 30cm / 11.81in and is suitable for small and medium-sized dogs. og flying fitness ring is a suitable interactive toy for throwing, catching, retrieving games, tug of war and chewing with dogs. It consists of aerodynamics and ring design to make it toss and be picked up easily.