This is a card case of Nishijin brocade interwoven with pure gold leaf yarn with a sense of luxury
It is a rare commodity that only Terashima Yasutaro Shoten producing gold yarn can make because it has a long history in Kyoto. The Nishijin brocade is a type of textile made in Nishijin area in Kyoto.
It is used not only as a business card holder, but also as a case of Furuya paper cut into six equal parts (Furuya paper is what is used in a crafting process of pure gold leaf and it can be used as a oil blotting paper. we sell it.) 
Gold and silver yarn is one of the traditional crafts of Kyoto,Japan with a very long history. It has been used for ornamental apron of Sumo wrestlers or KESHOUMAWASHI or for embroidering on dress. On drop curtains and sleeves of stages and theaters, and even in various festivals held throughout the Japan you can see the decoration of the yarn on the special cover of textiles, KESOUMAKU for the Japanese parade float, DASHI or the portable shrine, MIKOSHI. The gorgeous brightness amuses eyes of a lot of people.
Terashima Yasutarou shouten has inherited the traditional skills since its inception in1897 in four generations
They have continued the production of gold and silver yarn in Kyoto since its inception in 1897. Nowadays it is used not only for Kyoto local traditional industries but also for traditional crafts in various places in Japan and also for textiles regardless of country. Terashima's gold silver yarn, gold leaf, and vapor deposition film and so on have been used. "Along with the changing times, technology associated with the production of gold and silver yarn and the materials have also changed in various ways. It is a matter of course to keep the old traditions and texture, we are also seeking new texture or new technology , also we think giving variety of suggestions to customers is one of the most important roles. "(Mr.Terashima says so.)