VEVOR Double Expandable Barricades, 18FT Industrial Safety Barriers, Flexible Mobile Barricade with Locking Casters, Portable Folding Security Gate Metal Traffic Fence for Driveway Warehouse Elevator Durable and Stable Easy to Move Easy to Extend Length Wide Application Multiple Options Available Expandable Barrier Fence Color: Yellow & Black,Item Model Number: XSJ-S-0006,Bottom-to-Ground Clearance (When Expanded): 17.3 inch / 440 mm,Material: Iron + Aluminum Alloy,Retracted Length: 17.7 in / 450 mm,Net Weight: 20.7 lbs / 9.4 kg,Extendable Length: 18 ft / 5.46 m