Manlon nylon tube is manufactured from vargin granules of : Nylon-6, Nylon-66, Nylon-11, Nylon-12, also known as Polyamide or PA6, PA66, PA11 & PA12. It is very cost effective, bendable and re-bendable easily, flexible in nature (copper / Alumininium tubes are rigid basically), available in various colors such as white, black, blue, yellow, red, green etc.