High quality vacuum glass liner with excellent temperature retention; heat 151°f @ 10 hrs. / 124°F @ 24 hrs. , cold 46°f @ 10 hrs. Vacuum liner made of Japan premium, medical-grade*-equivalent ...
In an insulated thermos, combine liquid ingredients. Place thermos in freezer and let chill at least 2 hours. When ready to serve, remove glass from freezer and pour chilled Martini into glass.