1.Conductor: solid copper 2.Insulation: solid polyolefin 3.Shield: aluminum foil, polyester tape ... drain wire 4.Sheath:PVC 1)Product Description:CONDUCTOR: BARE COPPER, DIAMETER IN 0.524MMINSULATION: SOLID POLYETHYLENEPAIRS: FOUR PAIRS, COLOR: BLUE ... : PVC sheath, Aluminum foil, Polyester tape, Conductor, Drain wire FTP Cat 5e Lan Cable/4p cat 5e utp lan cable