... meters. 1: sub-felt cloth material: polyester staple fiber and polypropylene staple fiber. 2: Felt cloth color: red, ... blue, green, yellow, purple, brown and a variety of mixed colors. Fiber color determines the fineness ... cars, trains, ships, dust-proof windows and doors and other equipment, sealing, insulation, insulation, insulation insulation and so on, have a good performance. ...