VIRO is a polyethylene fibre of very high quality. It's very flexible È molto flessibile and suitable, with a high tensile strength. The fibre certified production ISO 9001 is subjected to several checks. Each fibre is entirely colored through the transpiring coloring system. Fibres reject the filth and are resistant to temperature changes. The VIRO material lasts long, although it is constantly exposed to light beams and atmospheric agents.