4-Inch GeoCellVodaland's 4" thick geocell covers most of the applications. It's widely used for erosion control. Perfect solution for any types of parking lots, driveways, spaces and may carry heavy loads. We make our ground grid from polyethylene which makes it last a long time. The 4 geocell ground grid can be filled with different types of aggregates, soil, sand, crushed gravel and etc. The sections are easily stretched over your surface and anchored down, then