The Snowfox® Martini Cup is made of 18/8 food-grade stainless steel and its double wall vacuum insulated construction keeps your martini icy from the first to last sip. This Martini Cup was the first market combining double wall steel construction with the traditional martini glass shape, and its ultra-thin rim designed gives users an experience like sipping from fine glassware all while keeping your drink ice cold for longer and your hands dry and warm. Its 8 oz. capacity is the perfect pour size and its steel construction makes it safe for both indoor and outdoor use. Pair the Martini Cup with a shaker bottle for a perfect giftset for your martini loving clients! BPA Free and FDA compliant.