FiberMarker Snow Markers 48 Inch Black 20 Pack 5/16 Inch Dia Solid Driveway Poles Made of durable fiberglass rod with good flexiblity feature. Pole rebounds back if struck by vehicle Driveway markers dimension: Solid, 5/16-Inch diameter x 48-Inch length ,black color ,Pack Of 20,Reflective tape is Silver Grey, 6 inch long Safety signs - Clearly mark the edge of driveways, parking lots and streets at night, bright 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 and fire hydrant. In winter, keeps your yard from being torn up by snow plow Easy Installation - Pointed tip inserts easily into ground. A super poly cap to protect driveway pole during installation