Contigo AUTOSEAL Stainless Steel 16-Ounce Vacuum Insulated Tumbler, Blue/Silver,  Set of 2
Never spill another drop. 100-Percent spill- and leak-proof travel mug uses exclusive AUTOSEAL technology to prevent accidental spills. Press the AUTOSEAL button to sip, and release the button to automatically seal. This self-sealing lid technology is combined with a double-wall, vacuum-insulated, stainless steel mug, providing exceptional temperature retention. Beverages stay hot for 4 hours or cold for 12 hours.