Accuform Signs® "DANGER DO NOT ENTER" Black/Red/White Admittance and Exit Safety Sign measuring 7" X 10" is made of flexible, 4 mil thick vinyl with acrylic adhesive. Adhesive vinyl sign is ideal for indoor usage, light-duty application, sheltered outdoor locations and adheres to most surfaces. It effortlessly mounts to all curved areas such as pipes, poles and secondary containers. Sign is resistant to moisture and has square corners as well as scored backing for quick peel-off application. Sign is designed to identify along with direct the entrance as well s egress of a structure.