US Weight ChainBoss Indoor/Outdoor Stanchion &ndash; Weighted Base &ndash; Black Chain Durable, crowd-control barrier for outdoor/indoor use with UV protection to prevent fading Made in the USA, high density polyethylene base filled with 15 lbs. of Duracast, a very high strength concrete 3-inch diameter post features patent-pending Integrated Chain Storage system Each post includes 10 feet of all-weather, high tensile strength 2-inch plastic chain Fast assembly and no tools required with Easy Connect snap together connection