Itheyiphu ye-PET enezinga lokushisa eliphezulu yamukela ifilimu ye-PET (i-Polyethylene Terephthalate) njengento eyisisekelo, ehlanganiswe nokunamathelisa okuzwela kwe-silicone ukumelana nokushisa okuphezulu.Inokumelana nokushisa okuphezulu, ukufakwa kukagesi nokunamathela okuphezulu.Ithambile futhi ifanelekile.