Redbarn Naturals Porky Pig Ear Slices are a high protein treat that is slow roasted in their own juices to create a highly palatable treat. Dogs go nuts for pig ears! They contain cartilage which is a natural source of chondroitin and may help with joint health. These fun all-natural treats are a safe and fully digestible chew, made in the USA and Canada. Since they are made of one ingredient they are an ideal chew for dogs with allergies.