The Brady 89156 polyester door sign displays EMERGENCY EXIT ONLY: ALARM WILL SOUND legend, with a laminate overlay that resists chemicals and abrasion, measures 3-1/2 x 10 inches (H x W), has pressure-sensitive adhesive, and is durable in temperatures ranging from -40 degrees to 230 degrees F. (H is height, the vertical distance from lowest to highest point; W is width, the horizontal distance from left to right.) The door sign is red on white.