Red 10oz. Stainless Steel Polar Camel Travel Mug features double-wall vacuum insulation. It is 2X heat & cold resistant compared to a normal travel mug is lead free. This item is not microwave or dishwasher safe. Each tumbler is individually packaged. Laser engraved leaving a silver imprint on the front side of the tumbler. Tumblers come with a clear lid with a polar camel insignia. An optional slide, magnetic or snap lid is available at an additional cost.