Portable and Easy to Install: There is a simple connection buckle structure between each column and the base, which can easily assembled and disassembled without tools. Detachable base and pole save storage space and are easy to carry Stable and Weighted Base: The black base is made of sturdy rubber material, each rubber base weighs about 2 lbs, keeping the traffic post from tipping over Effective Warning Sign: This traffic delineator parking barrier with a bright orange color and 2 sections of 5 inch reflective bands make it visible day and night Multiple Uses: They can be used outdoors as a portable parking pole barrier, emergency personnel, maneuverability driver training, drive-through line, camping, and driveway caution signs Packing List: You will receive 5 X rubber bases, 10 X safety poles, 10 X connecting tubes, 5 X top caps, 4 X 5 ft plastic chains, 8 X carabiners and 10 X reflective collars, reflective stickers need to be put up by yourself Traffic Delineator Post with Weighted Rubber Base, Portable Orange Safety Barrier Posts Cones with 5 FT Plastic Chain and Reflective Collars for Parking Lots,Construction Events