Health and safety sign with “Construction Site Keep Out” written in blue on a white background which indicates a required action. · · · Self adhesive sign · · White font on a blue background · · Black font on a yellow background · · Double-sided for maximum visibility. · · Sturdy base for stability. · · Highly visible, making it a great way to communicate the need to keep people out of a construction site. · · Easy to see from a distance. · · Clear and concise language makes the instructions easy to understand.