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 in any setting. Magnetic and adhesive sticker options provide two installation choices. Place it directly on any magnetic surface or use the included tape for non-magnetic surfaces. Easy to install without tools, saving time and effort. Portable and durable. Made from durable aluminum with a quality acrylic interior. Lightweight cover, portable, waterproof, and more resilient than plastic. Quick changes. This sliding door sign displays two states with one sign. Simply position it horizontally and slide to easily switch between "Open" and "Closed" for smooth and fast operation. Multiple uses. Ideal for shop doors, office doors, meeting rooms, home offices, dorm rooms, or any space where privacy or occupancy status is needed. Also suitable for outdoor exhibitions, recording rooms, and public service buildings. Sliding the indicator clearly shows whether the room is OPEN or CLOSED, providing a simple and effective communication solution.