Lifeunion Teething Durable Cotton Knot Rope Dog Toy Ball Chew Toy Non Toxic - Cotton even with some synthetic floss can't obstruct the intestinal tract Cleans teeth and massages gums, reducing plaque build-up and preventing gum disease For pet dog playing,chewing and tugging, keep beautiful mood Spend your pets' time, release the dog's separation anxiety, reduce dog on home furnishings and other facilities for breaking Material: Cotton Diameter:3.9" Weight: 5.3 oz