Durable Material: Our suction cups and chew toys for dogs are made of food grade TPR, 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. Multifunctional Sound Producing Interactive Dog Toy: The educational dog toy has a built-in bell, shaking the ball to make a sound to attract 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: The upgraded powerful suction cup has a 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