These single-ingredient chews are highly palatable, thin, light in texture, and a lower-calorie alternative to high-calorie treats. Made entirely of cartilage, they are a natural source of chondroitin which helps support your dog’s joint function. But, these aren’t the only benefits! They also help keep your dog’s teeth in a healthy condition by gently removing harmful buildup with each bite. The Red Barn line of ears is grain and gluten-free and are cleaned naturally without the use of chemicals.