Ilaphu le-PU yi-polyurethane, ubukhulu becala lenziwe nge-elastic fiber composite ephezulu, eneempawu ezifanayo nesikhumba sokwenyani, igridi yelaphu ye-pu inexabiso eliphantsi, inqanaba eliphezulu lokusetyenziswa.Ngenxa yokukhanya okupheleleyo kwelaphu le-pu, kunokuba kuhle kakhulu ukuthintela umonakalo ongangeni manzi, kwaye umphumo wayo wokufunxa amanzi ulungile kakhulu.Emva kokufunxa amanzi, akuyi kubakho ukuvuvukala okanye ukuguqulwa.Kwangaxeshanye, kulula ngakumbi ukuyinyamekela.Njengesikhumba, ivumba lilula kwaye ixabiso liyafikeleleka.