The Vanilla Millennium Bar is formulated and packaged to endure temperature extremes and has an extended shelf life of up to five years! This emergency food bar was designed to provide a quick, nutritious source of energy (400 kCal) in an emergency. The New Millennium Bars are great for auto, home, and school emergency kits. Also good for disaster aid, hiking, camping and travel use. Make sure to add these calorie food bars to your preparedness plan. They're about the size of a regular candy bar and ideal for school, office and home kits.