Great Dog 10-12" Cow Tubes, 5 Count Bag (Sourced & Made in USA) Great Dog Cow Tubes come in a 5 count bag, are US sourced beef trachea approximately 10-12" in length and a great source of chondroitin sulfate which may ease still joints Alone or filled with plain yogurt and frozen, stuffed with peanut butter or any other favorite food, there is no doubt your dog will love Great Dog Cow Tubes! Cow Tubes are an excellent alternative to rawhide Cow tubes are fun for dogs to eat, cracking when chewed making cow tubes entertaining and tasty! No soaks, washes, nitrates, colorants, BHA or BHT added