The Wellness Natural Pet Food Core Grain Free 100-Percent Salmon Freeze Dried Dog Treats are made with real salmon and are all-natural. These treats are perfect for rewarding your dog with a healthy diet that includes raw meat. They are also great for introducing your dog to the world of raw food. The Wellness Natural Pet Food Core Grain Free 100-Percent Salmon Freeze Dried Dog Treats are available in two different sizes.