This 20 oz. Stainless Steel Polar Camel Tumbler is laser etched with Dom Chi’s original art at Dom Chi Designs. These tumblers feature double-wall vacuum insulation with a clear lid. The mug has a narrower bottom to fit most standard cup holders. It is 2X heat & cold resistant compared to a normal travel mug and is BPA and lead free. Not recommended for dishwashers, hand wash only.