The Rambler 30oz. is the tumbler that gets you through the day. Your morning brew will stay hot or your iced coffee will stay cold - so take your time. Kitchen-grade stainless steel with double-wall vacuum insulation work together protect your drink at all costs. Like the entire Rambler Drinkware Family, the 20oz. tumbler and MagSlider Lid are dishwasher-safe for easy cleaning.