Ready-Serve Raw Alternative Unlike conventional dry foods that are mass produced and cooked at high temperatures, our foods are handcrafted and gently air-dried in our kitchens. A modern take on centuries-old meat preserving techniques, our Z-TWINTECH air drying technology locks in the goodness of our raw ingredients, without artificial preservatives. ZIWI Peak air-dried dog food is crafted to combine the best of raw and fresh diets with the safe convenience of dry foods. Ready-serve peak nutrition without compromise. Simply scoop and serve!