Stabilize soft gravel soil or grass surfaces with this 4 in deep geocell grid. Each sheet expands to 17.06 x 8.86 ft covering 151.15 square feet with a three dimensional honeycomb structure capable of supporting up to 1885 lb per square foot once filled. Hdpe construction at 0.06 in thick resists oxidation and acid alkali corrosion across long outdoor service. Ultrasonic welds hold the cell walls together and drainage holes allow rainwater to escape down slope.