SOS Emergency Water Packets - 3 Day/72 Hour Supply (12 Packets)( 4.227 fl Oz/125 ml) 125 ml sachets of Emergency purified water for immediate use; lightweight and extremely compact. Loss potential minimized due to individual sachets and ideal for storage with a 5 years shelf life Easy to dispense from a measured sachet; superior packaging materials for optimum durability in your survival kit USCG, Canadian Coast Guard, EC and NZ approval (NSN 8960 0112 4454 3) Includes Tips for survival by Marvin B. Lark.