These single ingredient, all-natural beef lung dog treats are grain and gluten-free. Redbarn's Choppers are made in the USA with no additives or preservatives. They are slow roasted to preserve the nutrients within natural beef lung while also providing a crunchy texture that bursts with a meaty flavor that your dogs are sure to crave. These dog treats are high in protein, low in fat, and contain no rawhide. Redbarn's Choppers help to support your furry friend's overall dental health by gently scraping away at the natural plaque build-up and massaging their gums while they chomp away at these irresitable dog treats.