The IMPA 335804 Close these doors at night sign is a vital addition to any marine vessel or facility to promote safety and security. This durable, high-quality sign is designed to meet the strict safety standards set by the IMO Safety Sign Standard, ensuring that it is clearly visible and easy to understand. The bold lettering and universal symbol make it easily recognizable to crew members and visitors, reminding them to close the doors at night to prevent potential hazards and ensure the safety of everyone on board. Constructed from weather-resistant materials, this sign is suitable for use both indoors and outdoors, making it an essential safety tool for any marine environment. With the IMPA 335804 Close these doors at night sign, you can maintain a secure and hazard-free workplace, in compliance with international safety regulations.