Most high-end vacuum-insulated containers are dishwasher safe, but check for a "Dishwasher Safe" logo on the bottom.
If this is a specific internal project or niche software, please provide the programming language or platform. maxime99
Place the container in the freezer for a few minutes or fill it with ice water before adding your meal. 2. Minimize "Headspace" Air is the enemy of temperature retention. maxime99