... laminated with black non-woven fabric. The density of the carpet underlay is 85 kg/m3. The thickness is 9mm. The length ... ,6mm,7mm,8mm,9mm,10mm,11mm,12mmDensity:40kg/m3,50kg/m3,60kg/m3,75kg/m3,80kg/m3,90kg/m3,100kg/m3,110kg/m3width:1.37m, 1.83mlength:Base ...