These 20 oz. tumblers are insulated allowing cool liquids to stay cool up to 24 hours and hot liquids hot for up to 12 hours and the clear lid is a sipping lid. They come in 7 different colors; dark grey, purple, red, maroon, blue, white, and black. This features Maltese Cross and makes the perfect gift for the firefighter in your life or a great purchase for yourself if you are the firefighter. A name or department number can be added for a small upcharge.