With the YETI Rambler 30 Oz. tumbler, your dinnertime drink will stay ice cold well past sundown or your coffee piping hot throughout the morning. The tumbler has been engineered with double-wall vacuum insulation and an 18/8 stainless steel body. The rambler is BPA-free, has a No Sweat design to make sure your hands stay dry, and is dishwasher-friendly. The rambler comes with a YETI MagSlider lid that harness the power of magnets to keep your drink secured inside.