[{"id": 1, "text": "1. Authentic denim uses indigo dye, with the fabric showing no discoloration or streaking. After stonewashing, it has a bright and vivid feel, with a slight reddish glow, and the pocket lining shows no significant staining.\n2. After stonewashing, the fabric feels soft and full, with a fuzzy texture. The stitching and edges are faded, while the flat areas show no signs of abrasion, and the color is even and consistent.\n3. Double stitching is used, with chain stitching at the waist, and 215/3 pure polyester thread is used, making the stitching strong and resistant to unraveling.\n4. The metal hooks, buttons, and tags are intact, with no wear on the coating. A backing fabric is used to prevent cracking and damage.\nRing-spun denim\nWith the high speed, large roll, and fine ring spinning..."}

Cotton-polyester blended products. Generally, those with a higher cotton content than polyester are called CVC yarns, and vice versa for T/C yarns. We usually refer to CVC as products with a cotton content of 65% or more. Products with a C/T ratio below 55/45 are generally still called T/C yarns. Textile Fiber Codes Several commonly used textile fibers are generally represented by the following codes: Material Name Representative Symbol Material Name Representative Symbol Material Name Representative Symbol Cotton C Acrylic A Wool W Acrylic/Wool A/W Vinylon V Nylon N FLAX L Rayon R Silk S Polyester/Cotton T/C Polyester T or P