With Mountain Residence merchandise on hand and a one particular-burner stove or candle to warmth water (cold water can be used in a pinch), you can nevertheless get pleasure from a very hot, satisfying meal in much less than 10 minutes. #10 Cans have the longest shelf daily life available...up to twenty five years! Every single can is coated with a protective enamel within and out for ambigu defense, like the lid. The cans contents are safeguarded until you are ready to open and use them. Soon after opening, we advise making use of the contents with two to 3 weeks for very best benefits and taste making use of the practical resealable plastic lid between uses. Treat any leftover foods as you would fresh foods. Mountain Residence freeze-dried meals are packed in airtight NITROGEN PACKED #10 cans or pouches. Up to 98% of the residual oxygen has been taken out. Our unique canning method uses each vacuum oxygen removing and nitrogen flushing.