Keep drinks at optimal temperatures inside the 28 oz. Everest Insulated Travel Tumbler! Measuring 8 1/4"H x 3 1/4"D, this powder-coated 18/8 stainless steel tumbler features copper lining, a spill-resistant slide lid with rubber gasket and double wall vacuum insulation that keeps drinks hot for more than 8 hours and cold for more than 18 hours. Add a brand name, logo or message to customize. This product is BPA free, sweat-resistant, ships assembled and hand washing is recommended. Made in China; decorated in Mexico.