Double-wall vacuum insulation Keeps hot beverages warm for up to 8 hours and cold drinks chilled for up to 10 hours Tumbler's body is made of stainless steel and sports a sophisticated matte metallic finish It comes complete with a spill proof press-on lid and a color-matched straw Not suitable for dishwashers or microwaves. Size: 7.09" (h) x 2.95" (Dia)