Shosekido Fluorescent Marking Chalk

It looks good even in the dark. At night or in the dark.
Lights with a slight amount of fluorescent light or black light.
Easy to work in the dark, at dusk and at night.
Oily type. It does not disappear even when wet.
(When erasing, rub with kerosene or benzine)
Wood, iron, asphalt, concrete, iron stone, etc.