Strong, sealedbase design for stable grounding: the sealed bottom expands the contact area with the ground to improve stability. visibility safety bollard: bright color improves recognition by drivers, pedestrians, and other road users, reducing misjudgments. Quick lockdown and area control: the mobile expandable barrier can seal off dangerous or restricted zones in seconds, supporting maintenance, construction work, crowd and traffic control. Wideuse parking bollard: suitable for installation in front of fences, garages, gates, and outdoor spaces, including roads, parking lots, schools, storefronts, buildings, and construction sites. Functions as a parking bollard, driveway barricade, street guard, or security barrier. Use scenarios: Construction site perimeter: block access quickly to protect workers and equipment. Storefront or parking lot: manage vehicle access after hours for security. Pedestrian zones in campuses or shopping centers: create clear, protected walkways and guide foot traffic.