... .any size3.we produced felt products.felt insole.felt bag.felt bobs.etcOur product range includes Felt Strips, Felt Rolls, Polishing Felts, Felt Bobs and Wheels, Decorative ... , quakeproof, Heat preservation, heatproof, sound insulation, silencing, fire retardant, insulation.Woollen Felts: Rating Density: g/cm³Typical Application Soft0.18Light air ...