Safety Pole Sign: Spring action pole fits standard doorways narrow hallways and aisles. Compress the two sections place in position allow spring to open out the sections. Results in secure barrier to prevent entry. Includes easy-to-read sign in black on bright yellow. Extends 750mm to 1.1m. Excellent in public restrooms e.g. airports train stations. Use at lifts escalators in hallways stairways in factories hotels hospitals schools.