100% natural, dehydrated and government inspected. These bully sticks have a natural aroma and flavour your HERO will love. These bully sticks are an excellent long lasting chew treat, a great source of protein, and suitable for all dog sizes. HeroBullySticks™are free of chemicals and preservatives. They are low in fat, and easily digestible. HeroBullySticks™ are product of Columbia from free-range beef, and are USDA, CFIA, FDA approved. As with all treats, pet supervision is recommended.