[Perfect Dog Toy for Playing Fetch] This is a multi-purpose dog toy ball, with a combination of teeth grinding & cleaning, squeaky sounding. It will bring happiness to dogs when they are bored, reduce the anxiety caused by loneliness, and prevent them from damaging the furnishings. [Funny Sounding Design] The dog toy is designed with a squeaky sounding device. When the dog chews the ball, the whistle inside will make different squeaks of different volume, which can effectively intrigue the dog into playing and last playing time longer. [Teeth Grinding & Cleaning Function] The new grinding bumps of irregular texture on the surface of the toy ball can thoroughly clean dog's incisors, cusps and molars while playing with it, effectively removing all kinds of food residue and dental calculus, fully protecting dog's teeth and oral health.