Looking for the ultimate combination of a healthy dog treat that packs a flavor punch? Collagen puffs are the perfect poppable protein treat your furry best friend is sure to love. Made with just two ingredients per flavor, Icelandic+&';s puff treats are the perfect reward to get tails wagging. Available in three flavors, and in two sizes to fit every pup.Flavors: Kelp - Beef collagen, dehydrated kelp Cod Skin - Beef collagen, cod skin Lamb Marrow - Beef collagen, lamb marrow Sizes: 1.3 oz - Small crunchy bites, perfect for small dogs 2.5 oz - Large crunchy bites, great for medium to large dogs