Pack Approved Bully Sticks are 100% Beef dog chews that are made from all-natural beef. We source our bully sticks from South America and the USA. Unlike manufactured dog chews, our bully sticks are single ingredient and fully digestible. They feature an incredible natural flavor dogs crave, and even help to clean teeth and gums as your dog chews. Pack Approved Bully Sticks are a safe and healthy, single-ingredient treat with no additives, chemicals or preservatives. Pets should be supervised when chewing treats. It's recommended that Bully Stick Chews should be enjoyed on hard surfaces for easy cleaning.