Designed and tested with the toughest little chewers in mind, the ZippyTuff+ Ring 2-Pack features smaller versions of our regular ZippyTuff+ Ring toys! Made with an even more durable TPR, this toy is perfect for smaller dogs who are serious about their chewing game. ZippyTuff+ Rings feature a circular faceted gem-like design that is fun to toss and satisfying to chew. And with it being made from the more durable ZippyTuff+ material, it's able to withstand hours of chomping and chewing play.