<p>Stay hydrated in style. Designed with double-wall vacuum insulation to keep drinks at the ideal temperature, this stainless-steel tumbler features a built-in straw that flips up for sipping, folds down to prevent leaks and removes for easy cleaning. It's made by Stanley, the company that invented the all-steel vacuum bottle in 1913.</p> <ul> <li>Keeps beverages hot for 7 hours, cold for 11 hours or iced for 48 hours.</li> <li>FlowState™ three-position lid features reusable, leakproof Flip Straw.</li> <li>Textured comfort-grip handle provides comfort and control.</li> <li>Fits in most car cup holders.</li> <li>Dishwasher safe.</li> </ul>