It knows when to close - 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. It's spill-proof, will stay piping hot for hours and it's easy to use with just one hand. Our Lids Are Sealed – AUTOSEAL technology is leak and spill proof (Yes there is a difference!) For the Long Haul – Drinks stay hot up to 5 hours and cold up to 12 with THERMALOCK Vacuum Insulation Lend a Hand – Easy one-handed drinking with the push of a button Squeaky Clean – Easy clean lid completely opens for an extra squeaky clean with no separate parts to take apart or misplace Lock it Up – AUTOSEAL button lock for added peace of mind Nothing but the Best – AUTOSEAL is America's #1 selling* line of travel mugs Perfect Fit – Fits most car cup holders and under most single serve brewers Clean Up – Top rack dishwasher lid, hand wash body All Contigo products are BPA free, have a limited lifetime guarantee and are designed by passionate inventors and innovators who have your mobility in mind.9cm Dia.20cm High.