A brief walk through of a factory producing stainless steel vacuum style mugs, tumblers, flasks. (Here is our video for glass double wall flasks: https://youtu.be/5Ei2F190p1Q) We manufacture a few different proprietary vacuum tea, coffee and beverage holder at this factory. Our newest product in the develop stage is a koozie which is vacuum made to keep your can or bottle of beverage cold for a long long time in the summer heat!