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. With just two ingredients, USA beef collagen and free-roaming lamb marrow, our puff treats are the perfect reward to get tails wagging. Large crunchy bites for medium to large dogs. - USA raised beef collagen slow baked for a light, airy crunch - Collagen helps to support joint health, a shiny coat and skin & nails - Sustainable sourced, free-roaming lamb marrow from Iceland - Limited ingredient snack - High protein, low calorie reward - Excellent training treat - Great for on the go travel, walks and hikes - Crunchy dog treat, alternative to a typical dog biscuit - Made without artificial flavors, fillers, additives or preservatives - Grain-free, gluten-free, non-GMO ingredients - All natural - Made in small batches in the USA