Dog Treats - Pure Pork Sausage Links Ingredients: Pork, pork bone, pork liver, pork spleen, pork kidney, water, citric acid, natural flavor produced from fermented oregano, flaxseed, and plums. Collagen casing.Storage: Store in a cool, dry place after openingAvailability: Usually ships within 1 business days. Product is non-perishable and can ship via Ground service. Origin: United States