STURDY STEEL - This cold rolled steel is a very strong metal that can withstand rain and sun and can be used for a long time in hot sun or wet weather without fading and rusting. HIGHLY REFLECTIVE - Bright yellow reflective strips improve driver visibility to increase alertness and caution when driving and increase visibility at night. WIDE APPLICATIONS - Suitable for commercial or residential parking brakes can effectively prevent parking brakes from being abused or stuck and is a powerful parking management assistant for high-end residential areas shopping malls hotels office buildings etc. and airports. Easy Installation - There are 4 holes on the base you can fix the Bollard on the ground with screws quick and easy to install. #Easy to install: You only need to find a suitable location in the ground or concrete, drill a hole, insert the expansion screw and tighten it.