The advantage of this system is preparation VERSATILITY! Some foods can be eaten as is; some require only cold water; others are prepared with hot water. Also included: complete "Just Add Water" entrees, individual "Just Add Water" ingredients for menu diversification and cooking convenience, and basic familiar staples to be prepared in the traditional manner. 50% no cook feature with 49 different items. Supplies 2 years for 1 or 1 year for 2.