The YETI Rambler Lowball features double-wall vacuum insulation that will keep your hot drinks hot and your cold drinks cold for longer than a standard mug or glass. The Lowball Rambler will not shatter on impact or leave a ring on your coffee table with 18/8 stainless steel construction and no sweat design. Comes equipped with the dishwasher safe and shatter resistant YETI MagSlider lid. This lid uses the power of magnets to keep your drinks locked in and for smooth opening and closing.