Wise Emergency Survival Food Supply Essential Survival Kit 56 Meal One Month Freeze Dried Food Supply 2 Servings per Day for 1 Adult for 4 Weeks or 4 Adults for 1 Week. Wise Company ready-made foods carry a shelf-life of up to 25 years. Wise Company pre-made meals are packed in airtight pouches which are then sealed in durable, easy to stack plastic containers.