This advanced formula deck porch N patio seed is an elite, zero-waste wild bird food blended to attract the most desired outdoor pets and give you the cleanest feeding experience available for your outdoor living areas. Features pistachios, sunflower kernels, added vitamins, added mineral, electrolytes and amino acids, no corn, no milo, no millet, zero-waste and no chemical preservatives. Comes in 5 pounds barrier bag.