... Product nameHigh quality 60 Series PVC single hung Casement for houseProfile colourWhite,Ashy,Brown,Double colour co-exstrusion,Wooden laminated etc ... reflective,coated,decorative,floated,Low-E glass etc. 2) Thickness: single/double/triple 4mm,5mm,6mm,19mm(5mm+9A+5mm),31mm(5mm ... inside open swing and hinged windows with grille for house,Double side hung interior casement windows with insulated glass