14kg/m3 POLYESTER SOUND CONTROL BATT 50 X 1160 X 580mm, 12 batts per pack. 7.99m2 in pack. Covers 8.95m2 when installed. 11kg Sound Control Batts are an economic solution to reducing unwanted noise transfer through walls to create quieter living spaces, for medium noise levels situations. Polyester is a safe, non toxic, allergy friendly, light weight material that has high tensile strenth, robsutness & is unaffected by moisture. Higgins Polyester Batts are itch free, contain no Formaldehdye Binders, require no protective clothing to install, making them a safe insulation option for you & your family. Higgins Polyester Batts also have a Zero Ozone Depleting (ODP) rating, contain negligible Volatile Organic Compunds (VOC's) and 80% of the fibers that go into Higgins Polyester Batts are recycled from plastic bags & other packaging materials, so they are safer for the planet too. Higgins Polyester also meets the Australian Standard AS/NZS1530.3 for fire safety