[Safety materials] Use high-quality materials, environmentally friendly and non-toxic. It is gentle on the dog's mouth and the dog's hands, but it is also very durable enough to play push and pull games. [Medium Puppy Design] The pull ring is a toy of a suitable size designed for dogs. Provide a bite-proof toy the size of a dog's mouth, which can be pulled without deformation. This fitness ring is more suitable for small and medium-sized dogs, such as teddy, cocoa, etc. [Multifunctional fitness ring]: It can be used as a , can be hung on the dog's neck, and can be used on the water to increase the dog's activity, improve exercise, and reduce and depression. [Clean teeth and improve of activity] The raised surface area of the fitness ring helps dogs massage their gums, clean their teeth and prevent your dog from suffering from periodontal disease. [Not suitable for aggressive chewers] Like other toys, these toys are not indestructible. We recommend supervising the playback and replacing damaged ones in time.