The Mammoth Pet Flossy Chews Color 3 Knot Tug with Tennis Ball is made with from premium cotton blend fibers that are tightly woven for long-lasting performance. Flossy Chews are interactive toys that satisfy playing requirements while helping dogs maintain good dental hygiene. Made for dogs up to 15lbs. Cleans teeth and gums Great for tossing, tugging and flossing Made with from premium cotton blend fibers Note: Flossy Chews come in assorted colors - let us pick a color for you!