Icelandic+ Rolled Collagen Dental Chews with Cod Skin are a 100% digestible, long-lasting chew. Made with granulated all-natural USA beef collagen formed with deep ridges and a spiral wrap of wild-caught Atlantic cod skin to reach back teeth and small spaces, these 2-in-1 treats help promote good dental health. With just 2 healthy ingredients, these delicious treats are completely free of chemicals, additives, and artificial anything. They're nutritious and naturally packed with protein, omega-3 essential fatty acids, glucosamine & chondroitin to help support healthy skin and coat.