Bottle or Tumbler? Can't decide? You don't have to. This 22oz changes from a bottle to tumbler to fit how you're feeling for the day! Durable, double-wall, stainless steel vacuum construction with copper insulation. Features wide mouth opening, construction that prevents condensation and sliding tumbler lid for easy sipping. Beverages stay cold for 24 hours and hot for 8 hours. 1963 Bus graphic printed on 1 side.