... 5.material : vinyl/pvc PVC mainly products : pvc sliding/casement window , pvc door and window , pvc doors ... plastic interior door , pvc folding doorAluminium mainly products:aluminium sliding window,aluminium window with grill , aluminium casement/hung window ... shape in Black or Grey or Brown ColourOpening Style Horizontal Sliding, Vertical Sliding, Casement, Top-Hung, Single-Hung, Tilt&Turn ...