YOUR DREAM TUMBLER: Whichever way your day flows, the tumbler keeps you refreshed with fewer refills. Double wall vacuum insulation means drinks stay cold, iced or hot for hours. The narrow base on all sizes (except 64oz) fits just about any car cup holder, keeping it right by your side. ADVANCED LID CONSTRUCTION: Whether you prefer small sips or maximum thirst quenching, has developed an advanced FlowState lid, featuring a rotating cover with three positions: a straw opening designed to resist splashes with a seal that holds the reusable straw in place, a drink opening, and a full-cover top for added leak resistance. EARTH-FRIENDLY DURABILITY: Constructed of 90% recycled BPA free stainless steel for sustainable sipping, has the durability to stand up to a lifetime of use. Eliminate the use of single-use plastic bottles and straws with a travel tumbler built with sustainability in mind. DISHWASHER SAFE: Spend less time hunched over the sink and more time doing the things you love. Cleaning your tumbler and lid couldn't be easier, just pop them into the dishwasher. Unlike plastic bottles that retain stains & smells, this metallic beauty comes out pristine