PVC Shutter Features: 1) High quality standards 2) Available in any sizes Aluminum window: Product NameAluminum windowProduct MaterialAluminum AlloyGlass type insulating double glass(6*12A*6mm,5*9A*5mm,4*6argon*4*6argon*4low-e safety glass.etcGlass seal rubber(EPDM)Surface treatment Powder coating, anodizing, electrophoresis etcHardware Top brand ,like ROTO brand ETCPacking Foam Paper with wooden ...