1.burglar proof steel/metal grille window 2.single/double/three open 3.white/black/blue color 4.different patterns available Regular size:H300xW600mm,single top openH300xW1200mm,double top openH600xW600mm,single openH600xW1200mm,double openH900xW1200mm,double openH1200xW600mm,single openH1200xW1200mm,double openH1200xW1800mm,three openH1500xW1800mm,three open and three top openopen directionsMore ...