When it's made by Thermos®, you know performance comes standard. This Stainless KingTM Food Jar is no exception. ThermosTM vacuum insulation technology keeps beverages hot for up to 14 hours, or cold for up to 24. Its insulated lid doubles as a serving bowl, eliminating the need to pack additional dishware. Constructed with double-wall stainless steel that'll keep up with your adventurous life.