Great for Crowd Control - Direct crowds and divert traffic where you need it. Complete Solution - Includes 4 stanchions, and 30 feet of strong 2-inch plastic chain. Durable and Heavy-duty Base - Fill each stanchion with sand or pebble gravel for added stability. Weatherproof and Durable - Made of durable plastic and UV inhibitors to eliminate brittleness. Made in USA - Since 1960, Mr. Chain has been the leading stanchion and plastic chain manufacturer.