This toy combines an interaction toy, slow feeder, teeth cleaner and molar function all in one. This toy is great for a tug of war. You can put the dog food in the ball, then dogs will try their best to eat the food, when the dog bites it, the serration inside can clean the food residue in the teeth. The small bell inside will attract your dog’s interest and increase the interactivity by making a squeaky sound. Your dog will focus their energy on this high quality toy rather than destroy the furniture. This toy is suitable for tile floors, glass and other smooth surfaces with strong suction. Made of food-grade TPR rubber materials, environmental friendly and safe for your beloved pets to enjoy!