The stainless steel food jar comes with a convenient tote-bag and spoon. Its vacuum insulation keeps foods or beverages hot or cold for hours. Its tight-fitted lid with gasket seals the lid to minimize leaks and maximize heat retention. Slicksteel® finish interior. vacuum insulated stainless steel food jar keeps foods hot or cold for hours durable and sanitary 18/8 stainless steel construction tight-fitted lid with gasket seals lid to minimize leaks and maximize heat retention 2-3/4-inch wide opening makes it easy to fill and clean, and allows users to eat directly out of the jar compact design takes minimal space while maximizing capacity made of bpa-free plastic and stainless steel heat retention after 6 hours: 154°f cold retention after 6 hours: 46°f