Spray Pet Dog Floating Chew Toys [Smart Water Spray Toy] This product is a smart water spray toy. Put the product into water, then it will automatically spray water, and also stop spray automatically when it is taken out of the water by dogs, which will increase dog's interest of playing. [Water Float Toy] toy can float on the water without sinking under pressure. It has builtin a waterproof sealing ring. The all-round waterproof design is not afraid of prolonged soaking. [Molar Teeth Cleaning] The surface of the toy has different sizes and strength of molar bumps, horizontal and vertical staggered.Dogs can bite the molar bumps on the toy to rub teeth, so that remove teeth stones and other dog food residue, snack residue, protecting dog's oral health.