Nature Gnaws Bully Sticks are made with single-ingredient, 100% natural beef pizzle. That’s it. Each chew is cleaned with water, oven baked to pawfection and then personally inspected and packaged by our team in the USA. Bully Sticks continue to be our most popular product – providing lasting stimulation for your pup and quiet time for fur mom and dad. Not only will they keep pets gnawin,’ but the firm texture helps scrape away plaque and tartar, for cleaner teeth and a fresher breath. Every fur parent deserves to know what they are giving their pets. Give your dog a chew that is Simple, Natural and Delicious.