Make your morning commute a little bit easier when you bring a drink along in these easy sipping tumbler mugs. Crafted from double wall vacuum insulated 304 stainless steel, this mug has a large side handle, a plastic lid, a flip top sip opening and a reusable drinking straw. Maintains the temperature of 40 ounces of your favorite hot beverages for 12 hours or icy cold and refreshing for as many as 32. Available in assorted colors. Add your school, sports team, organizational or company logo or message to customize.