Easy to install, prevents weeds, removable to run wires for landscaping/Christmas lights. No mess and can be driven on immediately.Most affordable and longest lasting concrete expansion joint replacement on the market. Can be used for driveway, sidewalks, patios and anywhere else there is a concrete expansion joint. Comes in 5 sizes and 3 colors. Grey, Black and Walnut. Expansion joint repair material for concrete driveways, sidewalks, patios.Flexible PVC with UV inhibitors.Temperature Range -10F to +130FReplaces fiberboard expansion joints and similarly sized gaps.