Duck heads are a great source of calcium and phosphorus, iron, and amino acids, all of which are important for bone and muscle growth and regeneration. Available in a quantity of 24 duck heads. The size will vary. Ingredients 100% Natural Duck Head Feeding Guide This product is intended for intermittent or supplemental feeding only and should not be fed as a complete diet. Always supervise your dog or cat when feeding any treats or chews. Please ensure that your pet always has access to plenty of fresh water. Storage Instructions Store in a cool, dry place. Reseal the bag after opening it.