EPE Foam Foil Insulation is also called Poly foam foil insulation.This item consists of 1 layer of different thickness polyethylene foam that is sandwiched between two Aluminum foils,low emissivity surfaces.It is great for construction insulation-for roof insulation,wall insulation, underlay for flooring,house wrap etc.,it is also great for ice bags,lunch bags, refrigerator dividers,windshield sun screen, packaging/storage material etc.Soundproof, anti-skiding, moisture proof,thermal retardation.