40 mil polystyrene plastic, the UV and scratch resistant signs will last you a lifetime.
Aluminum signs are durable, strong, and able to stand up to tough weather conditions. Our safety signs deliver long-lasting, maintenance-free usage, protecting customers and personnel with OSHA-approved language. Health Hazards OSHA Notice Sign, Vinyl Decal, 24in W x 18in L, 2PK Ideal for quick and easy application on any surface including walls, doors, windows, entrances, construction sites, workshops and caution zones. Choose One of Three Different Materials to Fit Your Installation Needs.