Octopus cleaning grind ball is made of safe TPR material, which is soft, reusable and will not harm your pet's teeth or mouth. Octopus shape and staggered convex design, you can use animal toothpaste or food attractant on the convex point to grinding or cleaning pet's teeth. Use grind ball for no more than 15 minutes every day to keep your pet healthy. Built in sound making device, better attract pets and improve playability.