West Loop is made for the modern movers, shakers, commuters, travelers – and for the urban explorer in all of us. Whether you’re traveling via car, train, horse-drawn carriage, rickshaw or penny farthing (it’s cool, you can Google it) this mug is the ultimate in convenience. This larger-capacity mug is spill-proof, will stay piping hot for hours and it’s easy to use with just one hand. AUTOSEAL® technology is leak and spill-proof (Yes there is a difference!) Drinks stay hot up to 5 hours and cold up to 12 with THERMALOCK Vacuum Insulation Easy one-handed drinking with the push of a button, lid completely opens for an extra squeaky clean with no separate parts to take apart. AUTOSEAL® button lock for added peace of mind. AUTOSEAL® is America's #1 selling* line of travel mugs.