These 6 stickers, featuring the brand Stickerology, are a valuable addition to your public safety equipment. Measuring at 85mm each, they serve as a clear reminder to close doors at night for increased facility maintenance and safety. Perfect for business and office environments, these signs are a necessary tool for ensuring peace of mind and security. Use them to communicate important safety precautions without having to mention the condition of the doors or any other aspect of the environment.