These Icelandic Plus Beef Rolled Collagen Stick with Center Wrapped Fish Skin 4" Dog Treats are 100% pure. They are hand-wrapped and come from authentic USA Beef and Wild Caught Atlantic Cod Skin. The Beef Rolled Collagen Stick with Center Wrapped Fish Skin 4" are sustainably sourced, are naturally rich in protein and omega-3 essential fatty acids to help support healthy skin and coat, and provide major chewing satisfaction. They reduce tartar & plaque build-up for healthier gums and teeth. As a safe alternative to rawhide, they provide a long-lasting chew with multiple layers. These Beef Rolled Collagen Stick with Center Wrapped Fish Skin 4" are 100% easy to digest, 100% natural with no additives, preservatives, or supplements, and 100% two ingredient dog treat. They are the best treats for the most loved pets. They are not just pure, but Icelandic pure. Product of the USA and packed in the USA.