Signs identify and indicate the potential, type and degree of hazards that may lead to accidental injury or property damage. They comply in accordance with OSHA 29 CFR 1910.145 and ANSI Z535 requirements. Printed matte surface has permanent acrylic adhesive back. Flexible vinyl can be applied to curved surfaces such as pipes, poles and secondary containers. Moisture-resistant for a variety of light-duty indoor and sheltered outdoor marking needs. Square corners and scored back liner for quick peel-off and application.