Snow Pole Driveway Marker, 48-Inch with Reflective Tape, Hiviz Yellow and Hammer Cap, Pack of 1 Made of high carbon steel that has been heat treated Used to mark driveways, culverts, roadways, hazards and other areas Feature a durable fiberglass rod, which will withstand the elements and abuse but flexible enough to bend and return to its original position Will not bend out of shape like metal or aluminum markers Designed and manufactured in the USA