Come and see our amazing products. Its a multi-functional dog chew toy, that combines massaging gums, tooth clealing and food leaking functions. Serrated massage bumps will be used during do plasy the toy, thoroughly clean the dog's incisor, canine and molars, effectively remove all kinds of food residue, dirt and tartar fully protect dog's dental health. It also apply pet-specific toothpaste or food attractant directly on the tooth cleaning channel to attract the dog's interest in playing and really realize the brushing his teeth.The tooth cleaning channel can be directly put into dog food or snacks. When the dog bites and play the toy, the food can be dropped through the tooth cleaing channel, so that the dog can obtain food rewards through his own efforts. Also improve the dog's IQ during play. Pls confirm further with us if any query about packing info, inventory status and time schedule.