It should be fishing wire

Usually the wire diameter specifications are: 0.10, 0.12, 0.15, 0.18, 0.20, 0.25, 0.30, 0.35, 0.40, 0.50, etc.;

Common weight specifications: 90g, 100g, 110g, etc.;

Applicable scope: sequin embroidery, belts, handbags, clothing, lace, trademarks, etc.;

Color: transparent, Black, red, other.

Our computer embroidery factory here generally uses Jiazhi brand fishing silk thread.