Chalk that utilizes renewed Hokkaido scallop shells.
Florescent colors which are bright and clear to see.
[Box Size] 4.3 x 3.7 x 0.8 inches
The most popular chalk in Japan since 1937
Reflect well under the blacklight.
Maximizes effectiveness at late afternoon or darker rooms where has lower luminosity
Eco-friedly product, made from calcium carbonate and scallop shells
Lasts twice as long as gypsum chalk thanks to lower wear factor.
Coated body keeps your hand clean.
Made in Japan