MAXIMIZED EFFICIENCY: Design with heat exchange technology and maximum windproof technology, the cooking system highly increase efficiency by 30%. Boil 0.5-liter pot of water in about 2 minutes and enjoy consistent performance at extreme altitudes or cold areas. Its fast acting and easy to use outdoors. ALL IN ONE PACKAGE - All the stuffs can be packed together for easy travel. This set is special designed as quick to set-up, pack-up and store in small spaces. Light weight, only 20oz!