This 20oz tumblers are designed with a double layer of vacuum insulation. This means that the tumblers bulk has a very good heat retention effect and can keep your favorite beverage cold or hot for hours. And the surface of the tumbler is covered with colored powder coating, giving you a variety of colors to choose from. The tumbler fits most car cup holders, perfect for office workers. It is suitable for use in family gatherings, pool parties, picnics and barbecues, on the go, in the office, indoors and outdoors, etc.
