The ISO safety sign "Keep Closed" from Brady is an effective mandatory sign specifically designed for indoor use. With a height of 1.55 millimeters and a width of 400 millimeters, it offers a clear and eye-catching display. The sign is made of high-quality polypropylene, a durable plastic known for its longevity and resilience. The color scheme of white on blue ensures high visibility and comprehensibility, making it ideal for safety-related applications. This sign is particularly suitable for indicating the need to keep certain areas or access points closed, thus contributing to safety in work environments. Manufactured in Belgium, it meets the required standards for safety signs and is an essential element for any organization that values safety and order.