FiberMarker Reflective Driveway Markers 48-Inch Green 20-Pack 1/4-Inch Dia Driveway Poles for Easy Visibility at Night Made of durable fiberglass rod with good flexible feature. Pole rebounds back if struck by vehicle Safety signs - Clearly mark the edge of driveways, parking lots and streets at night, great reflection as it illuminates from a 360 degree point of view when the headlights hit markers Property markers - Keep cars and trucks off your grass, and other areas of your property, such as mailbox, curb, fire hydrant. In winter, keeps your yard from being torn up by plow Easy Installation - Just pointed tip inserts easily into ground. A super poly cap to protect driveway pole during installation 20 pack hollow poles, 1/4 Inch diameter by 48 Inch length, green; Reflective tape is silver grey, 6 inch long