Caution safety sign is to notify employees or visitors that there are workers above, and to be alert. Safety sign is possibly found on construction, building sites, etc. This sign is in black and yellow. This sign is available in ABS and Chromadek. Increase safety and awareness on your worksite with our Caution safety sign. With its bold black and yellow design, it's hard to miss. And with options like ABS and Chromadek, you'll have a high-quality, durable sign that can withstand any environment. Keep your employees and patrons safe and informed with our Caution safety sign.