This suggests that the product may have vacuum insulation technology to help keep the contents fresh for longer periods by reducing heat transfer. The product is likely insulated with polyurethane foam (PU foam) to help maintain temperature and enhance its insulation properties. This indicates that the product likely has a sealing mechanism that ensures a high level of airtightness to prevent air and moisture from entering or escaping the container. The product includes a handle for easy and convenient transportation. The product is made of materials that are safe for storing and carrying food items.
