... : FOB USD 0.005-0.01/ piece 100% wool felt ring pad product1Material: 100% wool 2.Density: 0.09-0.8g/ ... ,not easy loose deformation,Wear resistance, smooth hand feeling, oil absorbility,Useused for many industries, home appliance, shockproof, dust ... proof,seals liner, oil seals, insulation, sound proofing, and sound absorption,polishing stainless steel ...