Fiberglass Reinforced Plastic (FRP) Expansion Fence: light and hard, non-conductive, stable performance, high mechanical strength, corrosions resistance Telescopic Function: easy to operate, can be retracted at will, the top and bottom of the new rain buckle, waterproof and debris prevention Easy To Carry: foldable, mobile pulley, made of nylon material made of wheels, work drag more labor-saving and time-saving Design: Expandable mobile barricade system for immediate creation of temporary vertical barriers with controlled and prohibited security and required traffic conditions Applicable Scenes: for cinemas, elevator entrances, wedding sites, theaters, companies, parking lots, exhibitions, stores, restaurants, airports and parties