1. MATERIAL: Retractable barrier made of fiberglass reinforced epoxy resin that will not fade or rust when exposed to sunlight or moisture. UV and weather resistant. visible yellow and black colors remain vibrant under UV light or harsh weather conditions. 2. EASY TO MOVE: Sleek design with flexible inserts, constructed from strength insulating material (insulating tube). Features two lower brake wheels for effortless mobility. 3. VISIBILITY: Equipped with visible red and black reflective strips, ensuring maximum attention day or night. Visible from all angles, enhancing nighttime visibility and effectively alerting pedestrians. 4. EASY INSTALLATION: Our expandable mobile barrier system is simple to set up. All tools are included. These barriers clearly mark trafficcalmed zones, ensuring hazards or restricted areas are prominently covered by barriers.