Mammoth Pet Products' Flossy Chews 2 Knot Cotton blend Rope Tug Toys are made from premium rope fibers designed to resist the toughest tugging your dog can give them. In addition to giving your dog exercise, stimulation and a release of natural instincts, Flossy Chews rope toys floss his teeth for increased dental health as he chews and plays. These tug ropes are HUGE -- perfect for your big dog to play and chew to his heart's content! Playing toss and tug with your dog is a crucial part of establishing a strong bond between the two of you. Flossy Chews are designed to strengthen this bond while being fun and beneficial to your dog's oral hygiene.