Stop the unwanted traffic for security, construction, emergencies, or just to direct traffic flow. Upright cylindrical heavy-duty big barriers; with more stopping power from 50 lbs. empty to over 2,000 lbs. when filled with water. The Big Barrier can be filled with sand or water with the 10" fill port. Also has a 2" drain and three 3" wide reflective strips around the perimeter. Available in orange, white, yellow, or granite.