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