Asuka Fall Prevention Board Double Sided M Black Board BB024 You can place a plastic bottle and use it as a weight Chalk Marker Magnet & &

Anti-fall black board that can withstand wind speeds of 15m/s. Will not fall over even in strong winds Four 2-liter plastic bottles can be installed, so no additional weight measures are required. Glossy side: Markers & magnets available, Matte side: Chalk & markers available Can be folded and stored Durable wooden frame