PE gupakira imifuka hamwe na zipper hejuru.Hano hari ibara ryera zipper na zipper yamabara atukura mububiko.Ingano nyinshi zitandukanye mububiko.Irakwiriye gupakira ibiryo, ibikoresho, nibikoresho bimwe byinganda, nibindi.Byemewe kuranga ikirango nubunini.