YellowJacket™ barricade sets up in seconds and warns people away from hazards. Now you can have a neat and clean way to route traffic inside and outside your plant or facility. They are also an ideal way to mark a temporary machine or construction site. Two YellowJackets fold flat for storage to only 9" thick. Equipped with reflective sheeting for excellent visibility. They can be ballasted with sand or conventional ballast for more permanent installations. The flat surfaces with relective sheeting maximize visibility day or night. Mounting holes accommodate lanterns, signs, caution tapes and accessories. Barricade is 42" high and opens to 24" X 24"