Build Your Own MREs at MRE Nation - You build your own MRE Ration, 24hr and MRE cases! All food components are fresh US and Foreign Military (or versions produce for civilian consumption) components. You select the mains, sides, snacks, breads, desserts and drinks. Calorie counts range from 1500+ for rations to 3000 for 24hr MREs. Includes accessory kit, beverage bag and flameless ration heater (as required). Comes sealed in our mil-spec bag. Items will very with inventory so check back often.