40 mil polystyrene plastic, the UV and scratch resistant signs will last you a lifetime.
â¢VISIBLE IN ANY ENVIRONMENT: Designed with fade-proof ink, bold smart fonts, and vivid colors, these scratch-resistant pre-finished white safety signs are engineered for clear visibility in poor lighting and severe weather conditions.Can be applied to a wide variety of surfaces. commercial-grade OSHA Notice labels are made with UV-protected vinyl label, ensuring a lifetime of maintenance-free usage even in the most extreme indoor and outdoor environments.