Treat your pup to the drool-worthy deliciousness of Waveland Paws Beef Liver Jerky Stick Dog Treats. These treats are made with only one ingredient—beef liver! Each treat is slow-air dried to preserve the nutrients and flavors of the meat and is free of preservatives, fillers and artificial ingredients. Beef liver is a nutrient-rich organ meat that is a great source of protein, vitamins and minerals. It is especially high in vitamin A, which is important for maintaining vision, skin and coat health. Plus, it is a good source of iron, copper, zinc and B vitamins. They are paw-fect for training, rewarding good behavior or simply as a tasty snack.