The YETI Rambler® 20 oz is your go to tumbler for your daily drink of choice. It keeps your Coffee HOT and your Ice Tea COLD. 18/8 stainless steel, double-wall vacuum insulation and magnet on the included MagSlider™ Lid adds an additional barrier to help keep heat and cold in. (The MagSlider™ is not leakproof and will not prevent spills). Available in Stainless and Duracoat™ colors which include some limited edition colors released by season.