Keep your cold ones cold and your hot ones steamy in the rugged Rambler 20oz Magslider Mug from Yeti. The stainless steel construction can take a beating, and the double-wall vacuum insulation keeps your drink just the way you want it. .Double-walled, stainless steel mug .Made with 18/8 steel to avoid condensation accumulation .Magnetic lid closure for keeping liquids secure .Dishwasher safe for easy care .Item #YET001O