Bentism 9x17ft Stabilization Geo Grid for Sloped Driveways $44.99July 23, 2025Deals Bentism 9x17ft Stabilization Geo Grid for Sloped Driveways $44.99 at Walmart. Made of HDPE material, environmentally friendly, and tensile, which is supersonically welded for durability. The gravel grid is of 9X17 ft each unit, a full expanded single cell is 9.6x 8.3 inches, 2″ high. These units can be cut, and attached with ease. Features tensile strength that holds up to 1885 LBS per square inch when cells are filled. Tags# #ad