A classic straw lid tumbler design but with all the premium features, the Hydrapeak Traveler will keep your favorite drinks ice cold for an insane 30 hours and hot for 12. The double-wall vacuum insulated stainless steel is working harder than you finding something to fill your last hour in the office on a Friday. Keep every precious drop of hydration goodness inside with the spill-proof straw lid. Take your new tumbler co-pilot with you everywhere with the cupholder friendly base and keep it right-side up with the non-slip rubber bottom.