Flossy Chews rope toys are made from premium materials. Rope fibers floss dogs' teeth as they chew and play. Mammoth ® Flossy Chews ® help maintain good dental hygiene while they play. Play time is an important part of bonding between you and your dog. This toy is perfect for interactive play, tossing, and tugging. 4 knots help gain an extra grip for extra strong jaws.