The esophagus-wrapped collagen stick is made from 100% beef cattle collagen and wrapped in esophagus, creating an all-natural treat. Home Range Pet Treats are an all-natural, single-ingredient product sourced from animals raised without the use of hormones, steroids, and other antibiotics.Derived from grass-fed animals that are raised without the use of steroids, hormones, and antibiotics, and contain no added artificial preservatives, colors, or flavors.A medium hard chewing treat that helps to reduce plaque and tartar. Home Range Collagen Bully Sticks are single-source protein treats that provide essential nutrients, vitamins, and minerals.