Make sure that both English and Spanish speaking employees and Vsitors get the same message when workplace hazards are present. NO HAY SALIDA (NO EXIT).....signs are available in a variety of materials,...Aluminum,..... Fiberglass,...Rigid Plastic,...Pressure Sensitive Vinyl, and Magnetic. Standard sizes include.. .10"x7", ..14"x10 ". Custom signs up to 48" x 48" are available.