With Mountain House products on hand and a one-burner stove or candle to warmth drinking water (chilly drinking water can be utilised in a pinch), you can nonetheless take pleasure in a scorching, enjoyable meal in significantly less than 10 min's. #10 Cans have the longest shelf life obtainable...up to twenty five years! Each can is coated with a protecting enamel within and out for double protection, like the lid. The cans contents are safeguarded until you are all set to open up and use them. Following opening, we suggest utilizing the contents with 2 to three weeks for best benefits and flavor utilizing the practical resealable plastic lid between utilizes. Take care of any leftover foodstuff as you would fresh new foodstuff. Mountain House freeze-dried foods are packed in airtight NITROGEN PACKED #10 cans or pouches. Up to 98% of the residual oxygen has been removed. Our exclusive canning method utilizes the two vacuum oxygen removal and nitrogen flushing.