Founded in 1928<br>Iwasa's continued commitment to manufacturing
- high quality
- High functionality
You want to use it for a long time, so choose something of high quality that you can rest assured about.
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All materials produced in JapanNot only is it made entirely domestically and woven to reliable quality standards, but the fabric is also surface treated to make it water repellent during dyeing, so you can use it with confidence.
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Japanese craftsmen carefully create each item one by one.
The biggest appeal of Japanese-made products is, of course, the "careful finish that reflects the Japanese aesthetic sense." Craftsmen painstakingly create this in a beautiful, well-organized space. We deliver products with a warmth that cannot be found in mass-produced products and a sense of cleanliness that can only be found in domestic products.
Iwasa uses Mitsubishi Chemical's Soalon.
“Soalon” is a high-quality triacetate fiber that is environmentally friendly and has high scarcity value.
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"Soalon" is an eco-material certified by the Biomass Mark. Only trees that are sustainably managed are used to enhance the natural regenerative power of forests.
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Triacetate is a semi-synthetic fiber that combines the benefits of plant-based raw materials made from natural pulp with the benefits of synthetic fibers made from chemical materials. The product name is Soalon. Soalon, the only product in the world manufactured exclusively by Mitsubishi Chemical, has received high praise all over the world.
Triacetate fibers have a silk-like luster and smooth feel, and are dyed a deep black, making them a high-quality material that is often used in expensive black formal fabrics. 
Since our founding in 1928, we have looked squarely at Japan's traditions and culture and have continued to support fashion and taste through the production of thongs, sandals, handbags for Japanese clothing, and formal bags. In today's world where fashion is diversifying, there are things that remain the same and things that should never change. This is a dignified appearance at formal occasions, and an honest spirit that values civility. 
The core material, which forms a neat form suitable for a ceremonial seat, is made from durable paper made from domestic wood, which is characterized by its supple bending, strength, and high durability. Formal bags usually have no seams except for the handle, and most of the bag is finished using traditional techniques. The adhesive used in this process was also developed domestically and is of high quality, safe, and environmentally friendly. Furthermore, the fabric that determines the look of the formal bag incorporates a variety of materials with an elegant texture that has excellent dye absorption properties, and both the outer and lining are deep black. A comfortable feel and dignified figure are created by these carefully selected materials. 
モノづくりにかける情熱と細やかな職人技
人の手によるものづくりと、日本ならではの美しさを真摯に追求し、お客様の心に届く商品をご提案いたします。
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