Blazer International 381ODM-24 Orange 48-Inch Fiberglass Pole Reflective Driveway Marker, 24 Pack. 4.7 out of 5 stars. 317. $40.32. $40. . 32 ($1.68/Count) If you want markers that will do a great job, consider this set from Blazer International Trailer & Towing Accessories. They come in a pack of 24 and are 48 inches long.