Barkworthies new 3-4" Stuffed Shin Bones are durable, long-lasting, and are now made with a variety of new and innovative fillings!These beef shin bones are made from free-range, pasture-raised cattle; and are paired with unique fillings such as superfood blends or natural peanut butter and meaty beef flavorings.Each stuffed shin bone provides dogs with a healthy chew alternative and can be refilled with their favorite snacks as an even longer-lasting chew! Recommended for medium sized dogs.