Large portable sidewalk sign with a 4 wheel base. The sign base is 41" wide, 24" depth and 4" height. The base has four wheels and can roll flat for easy maneuverability, two of the wheels lock for a secure placement. The two heavy duty powder coated steel springs release the strongest winds making this portable sidewalk sign one of the most durable in the market. The optional die cut sign board in 10mm corrugated plastic with flutes. The sturdy plastic base can be filled with sand for additional weight*.