WAF Cotton Rope Knot Chew Toy for Dog (Set of 2) Non Toxic - Cotton even with some synthetic floss can't obstruct the intestinal tract Spend your pets' time, release the dog's separation anxiety, reduce dog on home furnishings and other facilities for breaking Cleans teeth and massages gums, reducing plaque build-up and preventing gum disease Multi colored knotted rope bone satisfies a urge to chew dog's, for pet dog playing,chewing and tugging, keep beautiful mood Please see the picture carefully, it show the size of the chewer and will help you to choose best toys for your puppy. Color will be sent at random