The YETI Rambler 14 oz (414 ml) Mug in Black is built from kitchen-grade 18/8 stainless steel with double-wall vacuum insulation to keep your coffee, tea or hot chocolate at the right temperature far longer than a standard ceramic mug. The No Sweat design means no condensation on the outside, and the wide opening makes it easy to fill, drink from and clean. Comes with a MagSlider lid for splash protection. BPA-free, dishwasher-safe and built tough enough to handle life outdoors.