The Mammoth Pet Products 3-Knotted Cotton Rope and Tug Dog Toy with Tire Ball - Multi-Color is a tough rope toy designed for interactive play with small and large dogs depending on the size ordered. It has three sturdy cotton rope knots and a mini tennis ball attached, making it great for games of tug-of-war and fetch. As your dog chews and tugs, the cotton rope fibers clean their teeth and gums, helping to support dental health during play. Available in Multiple Sizes