Iwindow 1 )Strong and durable 2 )A large variety of colors ,styles , designs . 3 )Stop noise better ,give you peace of mind fixed windcow /casement window/alu window/pvc windowFeatures: 1) Dimensions: customized2) Material: top grade aluminum/pvc/wood profile3) Glass: single-glass:4-12mm; Double-glass:4mm+6A+4mm, common glass/sing tempered/double tempered4mm+9A+4mm, common glass/sing tempered/ ...