The very best martinis lose their appeal unless served frosty and refreshingly cold. But no fear: the Glass Martini FREEZE™ is here to rescue your cocktail, whether shaken or stirred, from a lukewarm, watery death. Just stash your cup in the freezer to chill the built-in active cooling gel and keep your martini chilled for 2 hours. The silicone band keeps your hands comfortable, while real glass makes these fun cocktail glasses a great sipping experience. They’re the perfect alcohol accessories drinking glasses to add to your bar glasses. Keep your drinks cold longer with these insulated martini glasses. Hand wash only.