BIAL ″Thick Ring & Bangle / Thin Ring & Bangle″ is a new material jewelry offered by BISO Co., Ltd., combining pure gold, pure platinum, and high-quality silicone. Founded in 1984 in Kofu, Yamanashi Prefecture, BISO Co., Ltd. has been providing high-quality products tailored to the changing times, with a team of skilled craftsmen and young planners. The characteristic features of BIAL silicone include heat resistance (up to 200°C), cold resistance (down to -70°C), water repellency, elasticity, flexibility, and insulation, making it a safe material with low risk of metal allergies. Developed as a solution to the soaring prices of precious metals, this new material has obtained patents in multiple countries including Japan. It allows for layering with existing jewelry and watches without worrying about scratches, and enables adjustment of ring sizes by up to one size larger or smaller. Moreover, it can be easily cleaned with water or neutral detergent if it gets dirty. BIAL ″Thick Ring & Bangle / Thin Ring & Bangle″ includes parts with diamonds or colored stones, allowing for flexible and innovative designs. Through the production of high-quality and stable products, BISO Co., Ltd. aims to be a jewelry maker that meets the changing needs of the market, responding to various requests together with customers.

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