Dog Chits Beef Lung Filets Dog Natural Chew Treats are a gnaw-some natural snack for your furry friend. Made from all-natural, grass-fed beef lung, these crispy filets are packed with essential vitamins, minerals, and protein to keep your dog healthy and happy. Perfect for dogs of all ages, these treats are a great option for training or just as a tasty snack. Plus, they’re easy to chew and gentle on your dog’s teeth and gums, so even dogs with dental issues can enjoy them.