Izi ndiPoly spandexchaching'ononthiti yokhala ndi thonje kukhudza.Iwois zopangidwa ndi ulusi wapadera wa thonjezomwe zimaphatikiza ubwino wa polyester, spandex, ndi thonje.Ndi kuphatikiza kwapadera komwe kumapereka njira yabwino komanso yosunthika ya nsalu.
Nsalu iyi imapangidwa makamaka ndi polyester, yomwe imapereka kulimba, kukana makwinya ndi kuchepa, ndikuonetsetsa kuti nsaluyo imasunga mawonekedwe ake ngakhale atatha kuvala ndi kuchapa mobwerezabwereza.Kuphatikizika kwa spandex kumapangitsa kuti pakhale kutambasula bwino komanso kuchira, kupereka mawonekedwe osinthika ndi mawonekedwe a nsalu.
Ngakhale kuti zimapangidwira, nsaluyo imakhala ndi thonje, yomwe imapangitsa kuti ikhale yofewa komanso yomasuka pakhungu.Kukhudza kwa thonje kumeneku kumawonjezera chisangalalo chosangalatsa komanso chachilengedwe, zomwe zimapangitsa kuti nsalu ikhale yosangalatsa kuvala.