Conforms to American with Disabilities Act Self-Adhesive Mounting For Schools, Offices, Hotels, Stores, Restaurants and Other Public Places Federal Law requires most public places to post signs that meet specific criteria related to Grade 2 Braille, tactile (raised) lettering, character proportion and height, finish and contrast rules. Durable Easy to mount with attached self-adhesive strips Placement instructions inside package. 6" x 6". The 6" x 6" Black with White Lettering Exit Sign has been discontinued by our manufacturer.