The Vollrath Traex Employees Must Wash Hands Before Returning to Work White Print on Black Sign can be used to make it clear to employees that hands must be washed before returning to work. With a black background and a contrast white font, this English sign is clearly visible even from a distance. It comes with a pressure-sensitive adhesive on the back, which helps to easily mount this sign on any wall space. This Vollrath Traex white print on black sign will be an ideal choice for restaurants, hotels, healthcare institutions, or bistros.