Nichirei Spring New Life Support Campaign [Prizes] KOIZUMI Vacuum Lunch Box A winning certificate will also be enclosed. A new concept for carrying "deliciousness"! "Vacuum" + "Cooling" preserves the freshness of freshly made food! * Vacuum the lunch box interior with an electric suction pump Because it doesn't come into contact with the outside air, the freshness of the ingredients lasts longer. * Lid with built-in ice pack By freezing the lid for 8 hours, you can keep food below 20°C for about 5 hours. * At an ambient temperature of 25 degrees Celsius Dimensions Body dimensions: Approximately 243(W) x 97(D) x 77(H) mm (Capacity: Approximately 600ml)