Omnimed Exam Room Flag systems are made of durable powder coated aluminum and hold 1-12 flags per unit. The system promote(s) efficient operations by providing a clear visual signal for staff. These non-electrical units are quiet to operate and can rotate 180 degrees. Individual flags can be Inverted to reverse the color order. American Made Over 45 Years! Omnimed has developed and manufactured premium products that improve workplace safety, employee efficiency and patient security. We manufacture and distribute all of our products from our beautiful home in Moorestown, NJ.