Thermos Carafe Coffee Vacuum Flask in Stainless Steel Double Walled Funtainer - Blue The technology about the thermos vacuum insulation is such that it locks in temperature and preserves cold and hot beverages for 5 plus hours This double-walled thermal carafe is 18/8 stainless steel and will withstand the demands of daily use The insulated carafe has an ABS lid - enables the lid to close gently An easy push and pour stopper functionality is part of this stainless steel blue thermos The 48 ounce of this carafe ensures that the user has enough fluids for between 4 to 6 hours