Decorative twill pattern with a fiberglass reinforced core yarn, and engineered to perform in the harshest of climates, for the widest retractable solar screens, roller shades and zipper systems. Built for use in both residential and commercial settings. Serge GS is an excellent choice for high traffic areas and exterior applications due to its thick reinforced fiberglass core yarns and weather resistant PVC coating. The twill pattern gives a decorative diagonal line texture with a wide palette of color options.