Contigo 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.