Easily keep your dog entertained with the Ruffwear Gnawt-a-Rock Kibble Dispensing Dog Toy. Made with natural latex rubber, this durable throw toy will quickly become one of your pet’s favorite. It features an irregular shape, making it bounce unpredictably for continuous engagement and enjoyment. Similarly, the faceted surface massages the gums to keep teeth clean and healthy. The Gnawt-a-Roc also dispenses small training treats and kibble, allowing for interactive play and reward. With a diameter of 4.5 inches, the Gnawt-a-Rock is suitable for dogs with large mouths. When the dog toy needs cleaning, just put it on the top rack of the dishwasher. You can also clean it by hand with dish soap and let it air dry. The Gnawt-a-Rock comes in three colors: Sockeye Red, Metolius Blue, and Dandelion Yellow.