HEAT REVEAL MUG Our heat reveal novelty ceramic coffee mug holds 20ounces of your favorite beverage for you to enjoy and features the Pumpkin King Jack Skellington atop a gravestone however when a hot liquid is added to the mug the rest of the graveyard appears alongside the mug MULTIPLE USES Its an officially licensed collectible mug that can also be used as a paperweight pen holder for your desk or a place to store your loose change CARE INSTRUCTIONS Do NOT use in microwave and dishwasher It is NOT microwavesafe or dishwashersafe Hand wash only OFFICIALLY LICENSED Have confidence knowing you are purchasing an officially licensed Disneys Nightmare Before Christmas heat reveal coffee mug from Silver Buffalo MAKES A GREAT GIFT This heat reveal mug makes a great gift for all the Disney and Nightmare Before Christmas fans in your life