50 White Super Reflective Trail Marker Tacks.These White Reflective Trail Marker Tacks are highly visible up to 200 yards. Mark your way to your deer blind as you go into the woods. Just stick one of these reflective trail tacks into a tree at regular intervals. When you need to go back in the pre-dawn hours or out after dark, simply shine a bright light down the path and the reflective trail tacks will light up like a super-highway to help you find your way back to your vehicle.