1,pvc profile national standards 2,many colors available, 3,anti-aging, heat insulation 4,good quality ,best price product namepvc window profile materialPVC national standards size60mm,80mm,2.0mm(thickness) color White, Zelkova ,Black walnut, Teak,other laminated color can be chose advantagesanti-aging, heat insulation , heat insulation, moistureproof, high impact toughness,do not produce noise ...