SRBTV Color Black Open Close Sign, Open Closed Sign, Open Signs Privacy Slide Door Sign Indicator for Business Storefront, Restroom, Office Door, Wall, Window, Restaurants, Retail and Salon Shops (Black) Clear and eye-catching design with clearly printed text. One side features a red background and the other a green background, creating a high-contrast visual that is easily noticeable. Offers two installation options: can be placed directly on magnetic surfaces or attached to non-magnetic surfaces using the included adhesive tape. Easy to install without tools, making it convenient and time-saving. Constructed from durable aluminum with a quality acrylic inner layer and a protective cover. Lightweight, portable, and waterproof, offering greater durability than plastic. Features a sliding mechanism that allows quick and smooth transition between "Open" and "Closed" states. Simply position the sign horizontally to slide and display the desired status. Ideal for use on doors in shops, offices, meeting rooms, home offices, dorm rooms, restrooms, and more where privacy or occupancy status needs to be communicated. Also suitable for use in recording studios, exhibition areas, and public service buildings. The sliding indicator clearly shows room status, providing a simple and effective solution.