This vegetarian survival food supply is made up of Mountain House vegetarian freeze dried food.  These vegetarian freeze dried foods are packed in airtight NITROGEN PACKED #10 cans. Mountain House freeze dried vegetarian foods in #10 cans are the best you can buy for disaster supplies and survival. Up to 98% of the residual oxygen has been removed. The Mountain House unique canning process uses both vacuum oxygen removal and nitrogen flushing. Planning your emergency food storage is not something you can leave to chance. Emergency preparedness is not complete without Mountain House freeze dried foods and basic disaster survival supplies. This vegetarian food supply has the longest shelf life available...up to 30 years! Each of the Mountain House cans is coated with a protective enamel inside and out for double protection, including the lid. This process is a must for your disaster food storage. The #10 can contents is protected until you are ready to open and use the vegetarian freeze dried foods. After opening, its recommend using the freeze dried food within 1 to 2 weeks for the very best taste; using the convenient re-sealable plastic lid between uses. Treat any leftover freeze dried food as you would fresh food. If you have four family members, you should order four kits. You can’t go wrong having your emergency food & disaster supplies on hand for the future.