1.Double wall stainless steel 2.Vacuum insulation 3.wide mouth design 4.Material:18/0 and 18/8 is available 5. Welcome O company About usYongkang Liancheng Industry and Trade Co., Ltd. specializes in the production of stainless steel vacuum insulation cups, thermos bottles, sports pots, office cups, sports cups, vacuum cups, coffee pots, auto glasses and stainless steel vacuum containers.Our ...