Solar cookers are designed to work at any time of the year as long as there is sunlight. It even works on cloudy or snowy days, catching rays and retaining its heat. It can effectively capture rays and retain their heat. Prepare a meal in just 20 minutes, with a maximum temperature of 550°F (288°C) in full sun. Solar cooking is tastier - because there is almost no air movement in the solar oven, food cooks evenly and stays juicy and tender. Solar cooker can be installed and stored in seconds, with zipper design on both sides. Unattended, can participate too, saving you a lot of time and effort and making it easy to enjoy your meal. The shape of the solar oven is similar to the 1-piece design of a handbag with adjustable shoulder straps. vacuum tube cooking chamber provides insulation to keep internal heat and cool. Service: If you have any questions about this product, please feel to contact us, we will reply you within 24 hours!