stainless steel vacuum flask 1.double wall stainless steel Vacuum Flask 2.keep warm or cold for 24hours 3.with the highest q stainless steel vacuum flaskCapacity : 350ml / 500ml / 750ml Our stainless steel cup can be any pattern spray and We also supply : sports bottle, bachelor cup, stainless steel water bottle, auto mug,vacuum coffee pot,vacuum travel pot,hip flask,gift set,and so on.