About Product:This is a parking card with luminous, individual riders just received the goods response is not luminous, we explain to parents: storage luminous is under natural light and fluorescent light irradiation after UV light into storage in the stop after light irradiation in the slow, so at night or darkness, because the night parking card delivery way, in the package there is no light so just received the goods in time is not luminous, need to light a few hours to have the effect!