*We can offer many style glass and door panel *The frame could be packed in knock down and with separated carton; The best point is the glass frame is piecewithout any joint. *Raw material: Pre-paintedGalvanized Steel. *Filling: Poly foam insulated. *Finish: Powder coating or primed. *Frame(Jamb)/Pine wood frame or steel frame (knock down packing) *Remarks: Pine wood edge or steel edge; Bottom rail optional