Medium 12" 100% Cotton White Rope Bone. Mammoth Flossy Chews are made from premium 100% cotton yarns ideal for interactive playing, tossing and tugging. Flossy Chews dog toys encourage playtime and bonding between you and your pet while helping to maintain good dental hygiene. Biodegradable. Toss. Tug. Floss. Great for small to medium size dogs.