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 Salon Shops (Black) Clear and eye-catching. The font is printed clearly, with a red background on one side and a green background on the other. The contrast between the two colors makes it highly visible and noticeable in any setting. Magnetic and adhesive installation options. This sign can be placed on any magnetic surface, or attached to non-magnetic surfaces using the included adhesive tape. Easy to install without tools, offering flexible and convenient mounting. Portable and durable construction. Made from sturdy aluminum with a quality acrylic interior and a protective clear cover. Lightweight, waterproof, and more durable than plastic alternatives. Quick and smooth operation. This sliding door sign allows you to easily switch between "Open" and "Closed" states. Simply slide the indicator horizontally to change the display quickly and clearly. Versatile usage. Ideal for use on shop doors, office doors, meeting rooms, home offices, dorm rooms, restrooms, recording studios, retail spaces, salons, and public service areas. Clearly communicates room status to prevent interruptions. Suitable for both indoor and outdoor applications.