Mainstay Emergency Food Rations - 3600 Calorie Bars (Pack of 20) Contains 9 pre-measured 400 calorie meals Enriched with vitamins and minerals exceeding the RDA requirements Pleasant lemon flavor. Contains no cholesterol or tropical oils. Kosher and it meets the dictates for Halal 5 year shelf life. Withstands Temperatures of -40 F to 300 F (-40 C to 149 C) Exceeds U.S. Coast Guard & SOLAR standards