The polyester fiber in the cotton-polyester fabric is the most important type of synthetic fiber, and its scientific name is "polyester fiber". The fabric is firm and elastic. It has the best wrinkle resistance among all fibers, heat resistance and light resistance, and has a better one-time setting performance. Cotton fiber has excellent skin-friendly, moisture-absorbing and breathable properties, and softness. Polyester fabrics can be said to combine the strengths of the two families, while possessing these characteristics.