The "Caution Blank" sign is designed to be customizable, allowing you to add any custom message to meet your specific safety needs. With high resistance to UV rays, weather, and moisture, this safety sign is ideal for any indoor and outdoor environment. Plus, it's economical and is available in four durable material options based on your needs - plastic, adhesive vinyl, aluminum, and fiberglass. Additional pre-mounted holes and rounded corners can be found on the upper part of this sign. Caution sign Customizable Available in 4 material options 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" - 14"x20"