... Factory Manufacture Needle Felt Wool Felt (Factory)100% pressed wool felt Material: 100 % wool, orsynthetic material Density: ... color,1-25mm thickness Felt in Australian Wool Wool Felt for shoes,rugs,bagItem no Density ThicknessLength Width ... insulation, silencing, fire retardant, insulation.CertificationISO9001 ROHSUseBe used for making clothes, industry produce, normal machine, chemical, electrical ...