I have the bone that the ends twist off and these rings slide on. My dog gets so excited about them! It keeps him busy for at least 15 mins which he is a Pitt bull so usually chew toys don't last long :).
Shop Overstock.com and find the best online deals on everything for your home and your family. We work every day to bring you discounts on new products across our entire store. Whether you're looking for memorable gifts or everyday essentials, you can buy them here for less. O.com Prices™