Keep Door Closed Sign - Clear Safety & Energy Efficiency Notice #3088344 (License: Personal Use)

The sign features a clean white background with black text-“Please…” in elegant script followed by “KEEP DOOR CLOSED AT ALL TIMES” in strong, uppercase sans-serif font. Its minimalist design ensures high readability from a distance and fits seamlessly in commercial, healthcare, or industrial environments where temperature control, safety, or security is critical.

Used on interior or exterior doors in workplaces, hospitals, laboratories, schools, or HVAC-sensitive areas; targets users seeking to enforce policy, improve energy efficiency, or maintain controlled environments.