If a treat could be compared to popcorn, this would be it. Merrick's Bite Sized Lamb Training Treats Dog Treats are great for all sizes and ages of dogs. Their softer texture makes it easier for dogs both young and old to enjoy. Lamb lung is the sole ingredient for this product which is a natural source of high protein and a great treat for dogs on a lamb diet. This product is packaged in a resealable pouch to help keep these treats fresh. Don’t pay more for the other lung products on the market, and reward your dog with this nutritional Merrick treat.