California Sunlight New Ultra Portable Solar Balloon Energy System for Outdoor Cooking, Heating & Charging, Same Day USPS Priority Shipping The most compact, light weight, portable solar cooker in the world, balloon can be folded to pocket size Perfect science education toy and learning kit for scouts and children of all ages Powerful, efficient, pasteurize one cup of water in 15 - 20 minutes, cook rice, heat soups, bake cookies, distill water Increase the power output of PV chargers in low light Easy to set up, durable, everything you need to start solar cooking in a small package, including repair tape