As an upgrade product,it retains all the article's characteristics(suitable for the manufacture of arch-supports,since its low specific weight helps to make the footwear lightweight.Specially,its thickness of 2.0mm and up is the good material of making insole.Its transverse flexibility is the highest,so the shoes are more flexible,while fitting of the sides is simplified by the longitudinal rigidity) combined with greater tensile strength and tear resistance provided by a higher percentage of binders.