Come and see our amazing products. Drink in style with one of our Everest Mug! Each 19 oz. mug is constructed of stainless steel and features copper lining, double wall vacuum insulation, a spill-resistant slide lid with rubber gasket and sweat-resistant design. It will keep drinks hot or cold for hours (cold up to 18 hours and hot more than 8 hours). Ships assembled. Hand wash recommended. BPA free. Pls confirm with us about the packing info, stock color and exact production time before placing your order.