Show your personality while traveling; Fun tumbler mug with vibrant color and design . Coated with a color finish; Printed artwork reads "World's Best Boss" in contrasting font. Holds 20 fluid ounces of your favorite hot or cold beverage; Includes clear plastic lid with slide closure. Made of quality stainless steel material; Handwash recommended; Do not microwave. Packaged in fitted box; Screen printed in the USA.. Push top lid with silicone gasket seal and sliding closure to help keep temperature for hours. . . .