The YETI® Rambler® 30 oz. Stackable Cup is ideal for those who need more with fewer refills, whether it’s Texas-sized teas, XL coffee, or plenty of H2O. Featuring double-wall vacuum insulation, it keeps your beverages at the perfect temperature for longer. The included MagSlider™ Lid minimizes splashes while on the move, making it a fan favorite for daily use. When not in use, the stackable design allows for convenient storage. Note: The MagSlider™ Lid is not leakproof and will not prevent spills.