Barkworthies Large Big Cheese offers your large-sized, voracious chewer something to really sink his teeth into! Based on a generations-old recipe from the mountains of Nepal, these all-natural, nutritious dog chews are made from yak's and cow's milk that has been processed to remove lactose! Barkworthies Large Big Cheese is completely digestible, and lasts up to five times longer than a traditional rawhide dog chew! This highly nutritious product can provide many hours of chew time for your dog. These chews are additive, chemical, and preservative free. Their products are all natural, 100% healthy & 100% safe for your dog.