The product is a smart water spray toy. When going out for swimming or bathing, put the product into the water and it will automatically float on the water surface, the toy will automatically spray water upwards, and it will automatically stop spraying water when the dog is taken away from the water surface. The surface of the toy has teeth with jagged bumps of different sizes and strengths. Dogs can remove dental calculus during play and protect against oral problems. It is a multifunctional water-spraying toy that integrates water-spraying toys, water-floating functions, and teeth cleaning.