Double Wall Vacuum Stainless Steel Insulated Tumbler with Lid for Iced‎ Coffee

Made from food grade 18/8 stainless steel, unbreakable for normal use, No metallic taste tainted with the flavor of iced coffee as it is even with the double wall stainless steel material The double wall stainless steel vacuum layer is filled with no air or other gas, which prevents heat from passing through, the 20 oz coffee tumbler keeps hot water hot for up to 6 hours and iced coffee cold for up to 12 hours This insulated tumbler fits normal-sized cup holders and can easily sit in most car cup holders, Feel so sweet knowing a tumbler of iced coffee within reach is always waiting during a long tiring driving