Product Packaging: Due to the limitation of logistics size, we will fold the product in half and then roll it up for delivery, there may be creases in the middle Insulation foil is a good alternative material, recyclable, clean and tidy, easy to install. To install, simply cut to size with scissors. This insulation is perfect for use in lofts, under floors, between wall cavities and even for insulating caravans, caravans or boats.SpecificationMaterial Double sided aluminium foil filmColour: SilverThickness: 4-7 mm 4-7 mmWeight: 160-200 g per square metreCharacteristics1: Double-sided2: Recyclable3: Radiant heat: 904: Thermal resistance: 0.79 m2K/w (20 mm transparent cavity to aluminium foil side)5: Water vapour resistance > 150 MNs/g6: Easy to cut7: Reduce noise pollution8: Water and vapour resistantPackage Includes1 x Double Foil InsulationPlease contact me if you have any questions