Rugged and durable, the YETI Rambler® 14 oz Mug is made with 1 8/8 stainless steel and double-wall vacuum insulation. It keeps your beverages perfectly tempered all day long. The MagSlider™ Lid prevents splashes, and both the lid and cup are dishwasher safe for easy cleaning. Perfect for any outdoor adventure, this YETI Rambler® mug is ideal for both hot and cold drinks.