【manufacturer name】Nihon Rikagaku Industry Co., Ltd.
【Country of origin】Japan
【Weight】80G
[Features] ●It is a chalk that makes it easy for people who have difficulty distinguishing colors to distinguish between colors. ● The main ingredient is calcium carbonate, which is also used in toothpaste, making it a safe and secure chalk. ●This product complies with the Law on Promoting Green Purchasing. ●It is a color-blind chalk that is easy for everyone to see. ●It is certified as a Hokkaido recycled brand product because it contains scallop shell powder.
[Use] -
【specification】 -
[Specification 2] ●Universal color certified product