Ensure your semi truck is Ready for the Road Ahead with a visible display of hazardous contents, with the LabelMaster 13.5" x 13.5" 8-Legend Inhaling Hazard Split Frame Placard. To meet DOT requirements, this replacement placard allows vehicles to indicate when they are carrying dangerous or hazmat materials. Fashioned with durable and weather-resistant materials for year-round reliability. FleetPride is your First Click in Heavy Duty .