Nova Chewllagen Beef Roll is a dog treat made from collagen extracted from the hides of grass-fed cattle in South America. Through a heating process, the collagen proteins are hydrolysed and broken down into smaller, easily digestible molecules. This results in a more nutritious and beneficial treat for your canine companion. For dogs and puppies over 4 months old Approx. 3.5″ Composition: Collagen 65%, Beef 18%, Corn Starch, Vegetable glycerin, collagen fibre Ideal as a training treat or reward. High in Protein Low in Fat Analytical constituents: Crude protein: 70%, Crude fat: 4.5%, Crude Ash: 5%, Crude, Fibre: 0.5%, Moisture: 15%, Additives: Colourant 0.01%, Preservative 1.01%