40 mil polystyrene plastic, the UV and scratch resistant signs will last you a lifetime.
Keep Off Dunes Fragile OSHA Warning Sign, Vinyl Decal, 18in W x 12in L, 2PK Ideal for quick and easy application on any surface including walls, doors, windows, entrances, construction sites, workshops and caution zones. Our safety signs deliver long-lasting, maintenance-free usage, protecting customers and personnel with OSHA-approved language. Plastic signs are flexible, lightweight, and incredibly versatile. Choose One of Three Different Materials to Fit Your Installation Needs.