Great Dog 10-12" Cow Tubes, 10 Count Bag (Sourced & Made in USA) Great Dog Cow Tubes come 10 to a bag, are US sourced beef trachea approximately 10-length and a great source of chondroitin sulfate which 12" in 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 fun for dogs to eat, "cracking" when chewed and a great alternative to rawhide! Great Dog Cow Tubes are a great source of chrondroitin sulfate which may ease stiff joints No soaks, washes, nitrates, colorants, BHA or BHT added