Ration in life rafts/lifeboats parameters: weight:≥500g Composition:water:3-7%; Fat:20-30%; Salt:<0.2% Protein:7-10%; Carbohydrate:63-70%; Vitamin:C:>0.02% Total calorie:no less than 10MJ Validity:3 years (the vacuum packaging) Emergency fresh water parameters: Content:500 ml Validity:3 years