【Food Ration Biscuits】: 20 bags, each containing 4 individually wrapped bars with 920 calories per bag, totaling 18,400 calories per tin box. One bag sustains a person for up to 24 hours in survival situations. 【Value Package】: 4kg High Energy Ration Bar in 20 vacuum-sealed bags. Compact and easy to carry, with a strong package for harsh environments. These high-energy compressed biscuits are always ready to restore your energy. 【Flavor】: Original cookies flavor, nut-free, These Compressed Biscuits taste crunchy, not dry and not tough on the teeth, and taste like butter cookies or sugar cookies. Made with high energy value and do not cause stress to the digestive system. 【Long Shelf Life】: Lightweight small vacuum pack with iron tin packaging. Can be maximum stored for up to 20 years (Only stored at normal temperature in a cool, dry place. Recommended storage time: 5 years). All natural ingredients. No preservatives. 【Easy to Eat & Use】: Eat one bar every 3 to 6 hours per person.