Multifunctional thermal insulation and cold storage bag

High-quality thermal insulation foam is selected to effectively keep food warm or cold, practical and durable. It can be put into lunch boxes and lunch boxes to keep warm when returning to work and school; it can be used to hold soft drinks, juices and other beverages when going on a picnic or camping, so that you can enjoy frozen drinks at any time. It can also be used as a Hello Boxy lunch bag. Features: - 5mm thick thermal insulation foam, heat preservation time 3-4 hours, cold time 5-6 hours (the data is for reference only, depending on the site temperature) - Food-grade aluminum film lining, easy to clean, waterproof and stain-resistant - Water repellent Recycled PET recycled fabric - High quality nylon zipper, smooth and durable - Adjustable longer length webbing handle - There is a plastic D ring on the handle, which is convenient to buckle anywhere - Top interior zippered mesh pocket for cutlery - It can be folded up after use to save storage space