Face masks are one tool utilized for preventing the spread of disease. They may also be called dental, isolation, laser, medical, procedure, or surgical masks. Face masks are loose-fitting masks that cover the nose and mouth, and have ear loops or ties or bands at the back of the head. There are many different brands and they come in different colors. It is important to use a face mask approved by the FDA. http://www.lioncare.net/medical-protection/face-masks/