Collagen has many benefits for dogs, making Collagen Rolls Large a great healthy option for your dog. Collagen helps to promote healthy Bones, Muscles, Tendons, Ligaments, Skin, fur and nail growth! As well as, Collagen also aids joint pain and digestive health. Chewing down on these healthy treats also helps keep their teeth nice and clean and keeps them entertained. Due to the size of these giant treats, they are an excellent choice if your dog is an enthusiastic chewer.