Grinigh Dental Anti-Fog Adjustable Full Face Shield with 15 Disposable Protective Plastic Visors Film for Home, Shop, or Professional Medical Use Slightly green tinted, ANSI certified 12" wide x 8" high x 3/8" thick Adjustable head harness ensures comfortable fit for most head sizes Composed of a superbly designed reusable frame and quick change disposable Visor Keep from the blur in case of low temperature and can protect eyes, mouth, nose and trinity, can be worn over eyeglasses, Strong polycarbonate construction A state-of-the-art medical faceshield system which is far superior to any shield product currently on the market