... the best eco-friendly material for shockproof, dust proof, felt pad, polishing, seals liner, oil seals, insulation, sound insulation, and ... 20 days Packing Polythelene bag or woven bagHEBEI HUA REN FELT CO.,LTD ,as a factory ,Export all kinds of felts ... fiber felt3.blended between wool and polyester fible felt4.industrial felt and household feltIf sir or madam has any doubt ,pls ...