BarknBig Dehydrated Lamb Lung is a crunchy treat which is packed with nutrients. Bark N Big is a Pasture-to-Chew Company which means your dog is receiving a fresh treat that you can trust. it's made using No chemicals or harsh treatments. Just simply dehydrated to maintain the nutrients your dog needs, and the flavor they love. Dehydrated Lamb Lung is perfect for dogs of all sizes, as it easily breaks down into smaller pieces. BarknBig is proudly produced in Colorado.