White Trail Chasers are highly durable 6" plastic whiskers, when combined with a lightweight spike, can be driven into the ground to mark a position. Unlike flagging tape, Trail Chasers will blend into most ground vegetation while still being easy to spot. Trail Chasers are perfect for use as markers for athletic fields, track & field courses, and much more. Whiskers spring back up when run over by mowers, graders, and heavy equipment. Trail Chasers are easy to deploy, move, and retrieve. Also available in blue, green, orange, and other colors.