<p>The 20oz TKWide insulated water bottle was designed to create the best water bottle, iced coffee mug, and insulated sports bottle, all in one package. TK Closure™ internal thread design with smooth, rounded lip for comfortable drinking and easy cleaning. Comes with leak proof Twist Cap with built-in reusable steel straw. (fits 20 oz size)&nbsp; NOTE: Twist Cap not suitable for liquids above room temperature. Not intended for hot or carbonated beverages because of steel straw.</p> <ul> <li>TK Closure internal thread design increases thermal performance and compatible with TKWide caps</li> <li>Climate Lock™ keeps contents iced up to 59 hours</li> <li>Won't retain or impart flavors</li> <li>Slim design fits in most cup holders</li> <li>Includes leak proof Twist Cap with built-in reusable steel straw (fits 20 oz size)</li> <li>Not recommended for very hot liquids due to steel straw</li> <li>Dishwasher safe</li> <li>27012807</li></ul>