The Magic Cook Heat Packs was designed for cooking & heating up food and drink without the need of microwave, strove, fire, propane or electricity. By placing a magic pack into the Cup cooker, add water as instructed on the Cup Cooker. Water activated magic pack will generate heat of up to 203 F degree. It enables you to cook or heat up food contents within 10-25 minutes. Magic Packs are made of Quick Lime, Non-Toxic flameless heat generated by water activation. Once cooking is completed, magic pack will absorbed all water and simply just trash as household waste. Magic Cook is perfect for the use of all outdoor, camping, survival kits. Magic Cook Cup Cooker is lightweight, exceptionally durable, made of high grade PC materials. Magic Cook lunch box comes with 2 compartments, stainless steel inner case and poly carbon outer case. Magic Cook new innovated travel lunch box cooker also serves as everyday traveling lunch box with the option to heat up food at anytime.