22 oz Stainless steel, double-wall tumbler with straw. Made 18/304 rust-free stainless-steel construction, double wall insulated. Copper-lined to keep beverage hot for up to 7 hours and cold for up to 12 hours. Condensation-free surface and fits perfectly in a car cup-holder. Comes with a metal straw, with a color matched silicone straw sleeve and cleaning brush. Laser engraved design.