The dog chew toys and suction cups are made of TPR, which is safe and healthy, and the cords are made of the same material as the ballistic fabric, which is very tough and not easy to tear and chew (to prevent accidental damage, each product comes with a rope).A chew toy for active dogs, easy to carry and durable, with strong adsorption capacity, freeing your hands for your dog to play on his own, as well as developing your dog's intelligence by putting dog food in the dog ball.