Designer Vacuum Flask/Thermos Impress your friends and be different! * Drinkware Type: Vacuum Flasks & ThermosesThermos * Material: Stainless Steel * Shape: Straight Cup * Certification: FDA,LFGB,CE / EU * Applicable People: Women/Man * Feature: Stocked,Eco-Friendly * Glass Liner Material: Stainless Steel 304* * Metal Type: Stainless Steel * Thermal Insulation Performance: 12-24 hours * Material: Stainless Steel * Production: Vacuum Flasks Please note that the digital display does not work *What is 304 StainlessSteel and Where Is It Used? As the most widely used of all stainless steel , 304 stainlesssteel is most notably present in industrial applications and kitchen equipment. It is a highly heat-resistant grade, and offers good corrosion resistance to many chemical corrodents, as well as industrial atmospheres. q-1 12x3x3grd