This battery cable is mainly made with copper materials, professional and durable, with excellent texture, and can be well applied to car battery power supplies and is very practical. These battery inverter cables with positive (red) and negative (black), design is reasonable, the function is practical, and it can exert excellent anti-oxidation performance. Features -Color: Black, red. -Material: Copper. -Size: About30.00X0.70X0.70cm/11.79X0.28X0.28in. -Flexible battery cable, wear-resistant, moisture-proof, flame-retardant and heat-insulating. -Excellent craftsmanship, has excellent conductivity and flexibility, and you can replace it with confidence. -High temperature resistance, superior electrical conductivity, long service life, and will not be easily damaged. -This copper wire has good stability, wear resistance, corrosion resistance, and maintains its conductivity better. -These battery inverter cables are with wide compatibility, suitable for automobiles, RVs, car, ships, marine, etc. Packing list2 x battery cables