Unique ThermoThin™ core. ThermoThin offers superior insulation over paper hot cups, creating a cup that isn't too hot to hold. ThermoThin also means less waste, and cost, by eliminating the need for double-cupping or cup sleeves. ThermoThin keeps gourmet coffee hotter longer, capturing the fusion of aroma and flavor. Give customers the luxury of enjoying their beverage at optimum drinking temperature for over 40 minutes. Use any 16 series lid.