Durham WoWMug
Full colour printed mug with a heat sensitive coating. When hot liquid is added this coating becomes transparent revealing the dye sublimation printed image underneath. As the mug cools the heat sensitive coating restores to its original colour. The WoWMug?? can also be screen over-printed with a permanently visible message. A promotional product that is sure to be kept.Visit the Promobox Ltd website for more information on Durham WoWMug