This High Speed F1000 HDTV HDMI Cable is made by Nitrogen (N2) Gas-Injected Dielectric and single large size OCC, has 24K gold contract. Adopt ultra high-density quad-layer shielding. The double layer of aluminized Mylar foil and dense copper braiding provide ultimate rejection of RF and EM interference. It uses flat design, flexible for easy routing and installation. Resistant to temperature extremes.