The cooker is comprised of a pair of conical roll-up reflectors enclosed within a PCV cylinder 67.0 cm long by 11.5 cm in diameter. According tot the designer, the cooker is capable of making tea, to cooking eggs, rice, and meat for three people. The cooker's innovation lies in its ability to be folded down to a compact package for easy carrying. It weighs 2 kg. without pots. File:Ray diagram, Khan's Backpacvk Solar Cooker, 10-7-15.png File:Khan's Backpack Solar Cooker size diagram, 10-7-15.png