The STAINLESS KING 24-ounce Stainless Steel Food Jar keeps the weather out, and the delicious in. With THERMOS vacuum insulation technology for maximum temperature retention, food stays cold for 24 hours, hot soups stay hot for 14 hours. Simply put - your favorite meal goes where you go. High quality 18/8 stainless steel construction is dependable any time of the year, from lunch on-the-go to camping in the wilderness. The insulated lid doubles as a built-in serving bowl. Exterior stays cool to the touch with hot contents and sweat-proof with cold. THERMOS brand food jars are dishwasher safe, top rack recommended.