Bauhaus eyewear company, based in Tokyo, Japan, and Ishii Optical Co., Ltd. has jointly launched eyewear works with "Solar Platinum SPM" and celluloid as the main materials, which can be regarded as the most iconic combination of materials in Japan. Undertaking the technology of Oiwa Kananosuke, a famous craftsman from the Edo period, the joint project of Bau. Classical and Ishii Glasses Manufacturing Co., Ltd. spent three times more grinding time than usual on the production of the details of the glasses, just to show the unique luster of the sun platinum. Coupled with the low ignition point of celluloid, which can only be polished by hand, the manufacturing process involved in the whole pair of glasses is extremely complicated. To enjoy the best Japanese ingredients, it is definitely the best choice.