Your food will taste equally good even after hours when stored in this lunch box with bag from Signoraware. It is absolutely microwave safe and has a light in weight construction. Signoraware has a fine understanding about the needs of consumers and has designed lunch boxes that are BPA free. Durability will not be an issue of concern when it comes to this one. Rush to place your order guys and get a good value for money. It includes a square handy container and a big crisp slim container.