Blazer 36in Red Reflective Driveway Marker with Metal Post 376RDM 1 Each provides maximum reflectivity and maximum value. This driveway marker is perfect for marking any area that needs special awareness. Great for safety applications for driveways home business and yard. Keep vehicles off your driveway curb or mailbox all year long. And in the winter keep your yard from being torn up by snow plows. Each marker features two round reflectors that are sealed in a plastic housing and features a weather resistant and rustproof design.