YOUR DREAM TUMBLER: Whichever way your day flows, the H2.0 FlowState tumbler keeps you refreshed with less refills. Double wall vacuum insulation indicates drinks keep cold, iced or warm for hours. Make a choice from our 14oz, 20oz, 30oz,40oz and 64oz choices based on your hydration demands. The slim base on all dimensions (other than 64oz) suits n