THICKNESS: 7MM-11MM DENSITY: 70KGS/CBM-140KGS/CBM CONSTRUCTION: APT CORE WITH STICH BONDED AND PRINTED CREPE PAPER, CORONA TREATED POLYMER FILM APPLICATION: DOMESTIC & COMMERCIAL ENVIRONMENTS CHARACTERS: SOUND ABSORPTION, THERMAL INSULATION, FITTER FRIENDLY ROLL SIZE: 1.37M*11M(length is at choice) PACKAGE: EACH ROLL BY ONE PP BAG WITH CUSTOMER'S LOGO WARRANTY:FOR LIFETIME AFTER INSTALLATION