The YETI Rambler® family is tough and will keep your drinks as cold (or hot) as science allows. With stainless steel construction, double-wall vacuum insulation, and No Sweat™ Design, they’re perfect for on-the-move adventures in the backcountry and long days on the water alike. Plus they’re dishwasher safe. Stronghold lid is leak resistant with a twist on lid upgrade that's backed with dual- slider magnet technology.