For areas where head protection is required, use the "Hard Hat Area" caution sign to warn employees. This safety sign is suitable for indoor and outdoor use as it is waterproof and resistant to weather, corrosion, UV rays, and moisture. It also comes with four material options that are economical and useful for various needs. Installing this safety sign is as easy as pie as it has pre-drilled mountain holes and rounded corners for plastic, aluminum, and fiberglass materials, while adhesive vinyls have a strong adhesive backing. Caution sign Materials: aluminum, plastic, fiberglass, adhesive vinyl Aluminum: corrosion-proof and UV-resistant Plastic: moisture and weather-resistant Fiberglass: resistant to chemicals, weather, mold, mildew, stains Adhesive vinyl: weather, moisture, corrosion-resistant Indoor and outdoor use Pre-drilled mounting holes Radius corners Adhesive backing for adhesive vinyl Sizes: 3"x5" to 14" x 20
