Photochromic powder makes silicone bracelets jump in color
Bracelet is a kind of circular decoration on the wrist. Since ancient times, bracelets made of gold, silver, jade and other materials have been sought after by the public. With the development of technology, more bracelets of different materials have appeared on the market. Among them, the photochromic silicone bracelet (light-changing bracelet) is a fashionable element with various color changes,...
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