Beg & Barker Beef Liver Strips are all natural snacks featuring 100% Human-Grade, USA Sourced Beef Liver. Each piece features 68% protein content and is gently air-dried to ensure the nutrients are protected. Beef liver is rich in nutrients and fatty acids that keep dogs healthy, boost their energy and promotes brain health. This treat is proudly made in small batches at their own manufacturing facility. It's so good, your pup will beg and bark for these delicious snacks.