Hagoromo Fulltouch chalk is considered to be the Rolls Royce of chalks. It is preferred by mathematicians for its solid feel, dust-free qualities. Hagoromo chalks come from a long tradition of Japanese craftsmanship and is made with precision in South Korea. These blackboard sets feature a box of luminous chalk, eraser and blackboard. An awesome package that lets you have a complete Hagoromo experience. Hagoromo luminous chalk uses the most advanced technology for vivid colors. It is perfect for use in dark places like construction sites or factories.