Durable Material: Our dog suckers and chew toys are made of food grade TPR material, which is non-toxic, eco-friendly, soft in texture and harmless to dog’s gums and health. It is durable and resistant to biting, chewing and great for grinding. The rope uses the same material as the body armor and is very strong. Very suitable for medium-sized dogs. Sound Producing Multifunctional Interactive Dog Toy: The educational dog toy has a built-in bell, shaking the ball to make a sound to attract the dog’s attention. Suitable for yard, park. You can also put dog food in the ball, it will overflow food when playing, increase interactive interest. Long-term use of this educational dog toy can effectively improve dog’s IQ and agility. Powerful Suction Cup Design: Upgraded powerful suction cup has strong grip. You can limit your dog to play in a fixed range and interactively train the dog’s bite force. It can be firmly stuck to smooth surfaces such as floors, doors and glass, allowing pets to