Transparent rubber series, provide 202 material 12 + 1 specification 4.0mm diameter steel wire and 304 material 3.5 diameter steel wire, in addition, 304 material 7x7 specification 3.0mm diameter and 3.5mm diameter can be selected, transparent rubber compared with ordinary nylon rubber steel wire, the product is more soft, transparent, beautiful, suitable for differentiated marketing customers' choice!