DURABLE MATERIAL: Telescopic obstacles are made of thick,impact-resistant molded plastic,which has impact resistance. The hollow support and base can be filled with water or sand to increase weight and stability. CAN BE USED AS A FENCE: the eye-catching color has reflective stripes to send a clear message that the area has entered a restricted area to ensure that all dangerous or restricted areas are separated by a safety fence,which we can see. FOLDING IS EASY TO CARRY: Obstacles can be stretched to 8.2feet (250cm) to cover a large area. It can be folded and stored,and the volume is only 10.6feet (27cm). It can be expanded and folded as needed. Quickly Block Off Any Area: The plastic traffic barrier can be used as a temporary barricade,suitable for indoor or outdoor use in shopping centers,public events,traffic roads,streets,blocki SAFETY POLES HAVE A WIDE RANGE OF USES:: they can be used as warnings in parking lots,streets,buildings and areas,traffic and crowd control,event organization,etc. Provides enhanced visibility and protection for entrances,parking lots,sidewalks,bike paths and more.