"Keep clinic procedures moving smoothly by indicating status of exam room with these color-coded flags. Users set up their own color-coded signals for doctors and staff. For example, to show doctor in exam room, nurse and patient preparing for doctor, x-rays being taken. These easily mounted signals are made of high quality, scratch-resistant plastic and plexiglass and held firmly in place with tensioning springs. They are available in triangular and standard styles, primary and contemporary colors. "