"Booda rope bones can be used for interactive play or as solo dog chews. Rope bones are a fun and easy way to floss dogs gums and help prevent dental disease in your canine companion. Booda rope bones have tightly twisted yarns that provide for long-lasting durability. Booda rope bones are available in extra small, small, medium, large and extra large sizes for all dogs to enjoy!"MediumCase Pk: 18