- Durable and long-lasting: retractable barriers are made from impact-resistant fiberglass-reinforced epoxy resin and resist fading or rust in sun, moisture, UV, and weather. The high-visibility yellow and black colors do not fade under UV light or adverse weather. - Practical design and coverage: expandable to 2 m, 2.5 m, 3 m, 3.5 m, 4 m, 5 m or 6 m. Quickly block any area to protect people by ensuring hazards or restricted zones are clearly marked. Folds down to under 0.3 m for compact storage and easy transport. - Highly visible reflective strips: red and black reflective strips are clearly visible day and night from any angle, improving nighttime visibility and effectively reminding pedestrians. - Easy installation: scalable mobile barrier system is simple to set up. All necessary tools are included. The barriers clearly mark a restricted zone to ensure hazards or restricted areas are covered by visible safety barriers.