battery cable cross section area:16MM2 length:3M Meet GS,ROHs,PAHs pp clamp conductor material:copper, insulation material:pvc pazipper bag Qty/ctn:6PCS Mesure:57*28.5*16cm G.W.:11KGS N.W.:10KGS INSTRUCTIONS Connect positive (+) booster cable to positive (+) terminal of discharged battery. Connect other end of positive (+) cable to positive (+) terminal of assisting battery. Connect negative (-) cable to negative (-) terminal of assisting battery. MAKE FINAL CONNECTION OF NEGATIVE (-) CABLE TO ENGINE BLOCK OF STALLED VEHICLE, AWAY FROM BATTERY. Start vehicle and remove cables in REVERSE order of connections.