The CORE-BULK Disc Fire Door Keep Locked sign is a polished stainless steel, circular sign designed to be affixed to fire doors to instruct the need for the door to remain locked. It is a crucial component for maintaining the integrity of fire safety protocols within a building. The sign features a bold blue background with white lettering for clear visibility and comprehension. The simplistic and professional design allows for easy integration into a variety of interiors without clashing with existing aesthetics.