Flat Webbing Sling is woven with machine for one time, and processed in the different sewing methods, it can be used the strengthened eye on its ends to improve its strength. Its standard tonnage can be distinguished through the color, and the wide and smooth loading surface especially applies to the articles with the soft surface and if necessary, the protective sleeve which is wider than sling can be used. Because of no contacting metal, it causes hardly damage to the loaded article surface processed with lacquer. Flat woven webbing sling made from polyester can not cause sparkle if it is used under the hazardous and explosive environment. In addition, its low extending property can decrease the bound of load in the courses of lifting, and avoid damage from the shocking strength. At the same time, make codes for the dyeing colors of sling and suggest the simple and correct methods for loading, which is well convenient for our lifting user.