Insulated heat-preserving food bag with a secure zipper and fine stitching for safe storage and transport of warm meals. Take-out thermal bag for packing and storing a variety of items, including seafood, vegetables, fruits, desserts, and drinks; equipped with a zip closure to keep contents insulated during transport. Cake packaging bag with a zipper design that is practical and safe for transporting cakes. Gastronomy ready bags that are waterproof and practical, featuring a unique inner lining to keep cakes fresh; also suitable as an insulated grill bag. Use scenarios: - Take-out or delivery: keep hot meals warm during transit from home or a restaurant to work, events, or home. - Groceries and on-the-go meals: pack and transport seafood, vegetables, fruits, desserts, and drinks while maintaining temperature and freshness. - Bakery and catering: transport cakes and pastries for catering events with reliable protection and a fresh result.