Material: nylon 66, 94v-2 certificated by ul. Heat-resisting, erosion control, insulate well and not apt to age. Color: natural( or white, standard color), uv black and other colors are available as requested. Material: nylon 66, 94v-2 certificated by ul. Heat-resisting, erosion control, insulate well and not apt to age. Color: natural( or white, standard color), uv black and other colors are available as requested.