A versatile waterfillable safety post system designed for driveways, parking areas and work zones. It disassembles for compact storage, and its height is adjustable to fit different spaces. Made from plastic for durability and longterm outdoor use. Waterfillable stability: add water to increase weight for enhanced impact resistance and wind tolerance. Quick to assemble or take apart for easy transport and storage. Height can be set to match clearance and protection needs. Durable material: plastic construction provides weather resistance, low maintenance, and long service life in outdoor environments. Built to withstand daily use around vehicles and pedestrians. Flexible barrier options: serves as a driveway barrier, parking pole barrier, or temporary protective column. Position can be changed at any time to redirect traffic or create safe zones. Compatible with traffic delineator cones and common bases. Road warning and delineation: clearly marks restricted areas, entrances, and hazards. Visible, reliable performance in varying light and weather conditions. Wide compatibility and sizes: available in multiple heights and base configurations to fit standard setups. Easy to integrate with existing parking, loading, and safety equipment. Practical use scenarios: Residential driveway: block access, guide vehicles, or reserve spaces during renovations. Storefront or delivery zones: mark loading areas, protect pedestrians, and control vehicle flow. Construction site or warehouse: delineate lanes, create safety corridors, and temporary barriers during work.