Indwangu yokwelula yesudi yokuzilibazisa yabesifazane enombala omuhle. Yenziwe nge-rayon, i-nylon kanye ne-spandex fiber, iyasebenza futhi ingabizi kakhulu.
I-Spandex yindwangu yokwenziwa eyaziswa ngokunwebeka kwayo. Ngokuphambene nenkolelo evamile, igama elithi "spandex" akulona igama lomkhiqizo, futhi leli gama lisetshenziselwa ukubhekisela ezindwangu ze-polyether-polyurea copolymer ezenziwe ngezinqubo ezahlukahlukene zokukhiqiza. Amagama athi spandex, Lycra, kanye ne-elastane asho okufanayo.
Njengamanye ama-polymer, i-spandex yenziwe ngamaketanga aphindaphindayo ama-monomer abanjwe ndawonye ne-asidi. Ekuqaleni kwenqubo yokuthuthukiswa kwe-spandex, kwaqashelwa ukuthi le nto imelana kakhulu nokushisa, okusho ukuthi izindwangu ezidume kakhulu ngokuzwela ukushisa njenge-nylon ne-polyester ziyathuthukiswa uma zihlanganiswa nendwangu ye-spandex.
Ukunwebeka kwe-Elastane kwenza ngokushesha kwaba yinto efiselekayo emhlabeni wonke, futhi ukuthandwa kwale ndwangu kusaqhubeka nanamuhla. Ikhona ezinhlotsheni eziningi zezingubo kangangokuthi cishe wonke umthengi unezingubo okungenani eyodwa equkethe i-spandex, futhi akunakwenzeka ukuthi ukuthandwa kwale ndwangu kuzoncipha maduze nje.