The YETI RAMBLER 20oz Tumbler w/Magslider keeps your drink at the temperature you want it. Hot or cold, the double-wall vacuum insulation does what you need it to do. The stainless steel body keeps the mug looking sleek no matter how many times it gets dropped. The magnetic lid is easy to close and keeps your drink the same temperature. The mug and lid are both dishwasher safe, so no need to get your hands wet cleaning them. The No Sweat Design helps you keep a good grip on it.