The whistle is placed on the top of the toy, which has the sound function. When the dog bites the toy, the toy will make a noise to attract the dog's attention, increase the dog's interest in playing, and also clean the dog's teeth. This product can float on the water as a water toy for dogs to use. Convex point is at the top and bottom of the circular grinding for pet dog door] the design of the tooth cleaning, in the process of using this toy dogs, dogs will use incisors bite the two molars bumps, in the process of pet dog incisor thoroughly clean, daily to pet dog door] tooth protection can make pet dog I incisors healthier. New design of jagged teeth protruding point in different size distribution, according to the pet dog chewing habits, playing with molar chew this product in the process, we design each zigzag molar can have 2 raised bumps, so in pet dog chew this product will let molar bumps on the molar greater friction, thus taking on the molar teeth with dirt cleaning cleaner. The new design of canine canine [tooth cleaning channel] has comprehensively surpassed similar products. When the pet bites the product, the sharp teeth will enter the curved cleaning tank in the molar channel, and the parallel [sharp grinding teeth] in the cleaning tank will be from the pet dog's fangs. Clean all the way from top to bottom, this product can effectively remove the root of the cusp teeth and dirt, to ensure the daily health of the pet dog's mouth.