... through the needle, the general width of 1-4 meters and a length of 30-50 meters. 1: sub- ... purple, brown and a variety of mixed colors. Fiber color determines the fineness of cloth felt the effect. Felt widely ... seal, gasket, and spring steel wire cloth at the end of the needle felt material; 2, felt stable in structure, ... In particular, polishing, sealing, insulation, oil, the effect of highlighting.