100% Pressed Wool Felt 1.Eco-friendly, anti- ... , cushion, quakeproof, Heat preservation, heatproof, sound insulation, silencing, fire retardant, insulation.CertificationISO9001:2008,SGSUseBe used for making clothes, industry produce ... dustproof,cushion,quakeproof Heat preservation, heatproof,sound insulation,silencing Fire retardant,insulation Filtration:air,petroleum,water, Polishing:marble,crystal, ...