This cool 20 oz. matte tumbler was ma de by Laser Engraving into powder coating process. It has a double Wall Vacuum Insulation for Maximum temperature retention. It can keep the consistency of the temperature for a very long period of time. Its Air Tight Seal Heavy duty lid seal locks in the cold, Keeps Ice Longer Holds ice for up to 24 hours. The outside stays dry. No need for a coaster. Its Air Tight Seal Heavy duty lid seal locks in the cold and ensure a spill proof experience. It Keeps Ice Longer twice as long as plastic tumblers. Engraved with Pride in the Orlando, Florida.