Reflective Driveway Markers, 4ft Fiberglass Flexible Round Rebounding Poles with Night Time Reflective Marks, 12 Pk Black by Rebound Driveway Marker COMPLETE SET FOR MOST DRIVEWAYS - Includes 12 Orange 48-Inch pencil tip  Diameter Reflective Driveway Markers. FIBERGLASS DRIVEWAY MARKERS are slightly more expensive, but they can also take more abuse and bounce back most times when snow is rolled on them or a plow blade makes contact with them. REFLECTIVE DRIVEWAY MARKERS BY REBOUNDARE FAR SUPERIOR to non-reflective markers, In the daytime or night the reflective snow stakes will provide a better reference point and are just overall easier to see. PERFECT FOR CURVED DRIVEWAYS - Roadways and Hazardous Areas fire hydrants and more. HOW MANY DO I NEED? A good rule is place one marker every 10 feet (more for curved driveways)