Keeps the Temp - Double-wall vacuum insulation ensures liquids stay the temperature they should be. Basically, your hot coffee stays hot.Cup-Holders in Mind - Wide at the top, narrow at the bottom. This tumbler fits most cup holders.Laser Engraved - The logo is not coming off in the wash! Stainless steel is powder coated black then laser engraved to make sure your mug stays looking sharp for years to come. Clear Lid - Easily gauge how time you have left before needing to refill on coffee.