["Sponges features:\n\nFully open hole, strong tensile force, highly sound absorption performances and good permeability.\nIt is product for the production of air filters, stage speaker wire meshs sound-absorbing cotton, oil filters and other industry.\nIt is also a necessity for the production of ceramical foams filters, filter plates, filter sheets, and filter \n\nSponges performances:\nGood elasticity, strong pulling force, fast dust filtering speed, highly dust filtering rate, low airflows resistance, good ventilation performances, good chemical property.\nIt washed, and the effect will not deteriorate after washing. Filter cotton have good air permeability and strong mechanical strength,\nAs filter material, it have the characteristics of low flow resistance and highly filtration efficiency. It washed repeatedly, showings the advantages of durability, environmental protect, and economy.\n\nMaterial: sponges\nSize:Approx. \n3mm40pp (thick) 2meter longX1.5meters wide\n3mm60pp (fine) 2meter longX1.5meters wide\n5mm40pp (thick) 2meter longX1.5meters wide\n5mm60pp (fine) 2meter longX1.5meters wide\n(Please allow 3-10cm deviations due to manual measurement, Cutting error, please buy be cautions!)\nColor: Black\n\nPackage includes: \n1xSpeaker Grills Meshs Cloth\n\nNote:\nPlease allow 1-2cm errors due to manual measurement,please make sure that you donot mind befores you order. \nDue to the differences between different monitors, the picture may not reflect the actual item color."]