DP100-SP (Sliding Door Plate)Sliding Door Plate This model incorporates a sliding plate which covers over half the sign. The sliding plate enables the sign to display two different messages. For example Vacant or In Use is a common application. The sliding plate covers whichever message is not needed. No graphics are supplied. If you require graphics, we have the option here for a standard "Vacant In Use"; and colour green red Vacant In Use here. 250mm wide is not a standard