Tough enough to face anything that gets thrown its way, the Yeti Rambler 20oz Tumbler is equipped with a durable stainless steel, double wall vacuum insulation while the magnet on the MagSlider lid keeps either the heat or cold of your drink from escaping out. . 18/8 Stainless Steel; Double Wall Vacuum Insulation; Dishwasher Safe; Shatter-Resistant Construction ; YRAM20 .
