1. [20L thermal insulation bag] This thermal insulation bag can hold food and drink for at least 2 people when the zipper is closed. After use, you only need to use a towel or paper towel to wipe, without washing machine or brush. 2. [thermal insulation] the inner layer of sea ice is aluminum foil, and the core material is thick and soft foam, which can keep food and drinks hot and cold for more than 4 hours, independent of external factors. The outer layer of the insulating bag is made of Oxford 300D fabric, which is waterproof, shock resistant, durable, wear-resistant and tear resistant. You can taste fresh food anywhere. 3. [Convenient to carry] The thermal handbag weighs only 360 grams and can be folded into a small size (39 * 19 * 27cm). It is convenient to carry. It is convenient to carry when going out for a picnic. It is suitable to be used as a lunch bag for going out, picnic, school or office. 4. [Multi function] Refrigeration bag has good heat preservation performance. This product can be used as picnic bag, food bag or insulation bag. The elegant design makes it suitable for many occasions, and it is an ideal choice for business travel, outdoor travel, hiking, camping, picnic, beach, fishing and other outdoor activities. 5. [Gift package] It can help you keep cool or warm at the beach, car, sports, cycling, hiking, shopping, picnicking and traveling. It can also be used as a shopping bag. It is the perfect gift for a wife, husband, children and friends to live a healthy life. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.