1.Solid and floor grille The floor grid is made of material, resistant to tensile stress, supersonic welded for stability. Perfect for ramps and/or flat areas. 2.Scalable Multi Scene Use The geo grid path can be expanded and folded for easy use and storage. For steep driveways, driveways, shed bases, patios, gravel, dirt, walkways, landscaping, paths, gardens, etc. 3.Easy to install This gravel grid system can be easily cut and attached to each other. Simply lay out the material, anchor it to the ground and fill the cells with soil/grass/sand or gravel. 4.Specifications: Each grid unit measures 40 x 40 cm (15.7 x 15.7 inches), is 5 cm high and can hold up to 1800 pounds per square inch when the cells are full.