Redbarn Collagen Slims are made from a single ingredient, collagen sourced from beef hide, and come in an assortment of shapes such as sticks, braids, a ring, and a spring. Each chew is naturally rich in chondroitin and glucosamine, nutrients that occur in connective tissue and support healthy joints, skin, and coat. The chews are free from grain, gluten, wheat, corn, and soy, and contain no artificial preservatives, flavors, or colorings. Compared to traditional rawhide, collagen is higher in protein and lower in fat, and it is generally easier for dogs to digest. The bag is intended for dogs to gnaw on during supervised chew time, offering mental stimulation and a way to work natural chewing instincts. No assembly or preparation is required before offering the chew to a dog.