Mtundu wa nsalu woterewu ukhoza kusinthidwa momwe mukufunira.Zapangidwa ndi 65% polyester ndi 35% thonje.
Malo osungunuka a polyester ali pafupi ndi polyamide, kuyambira 250 mpaka 300 ° C.Ulusi wa poliyesitala umachepa kuchokera pamoto ndikusungunuka, ndikusiya zotsalira zakuda zolimba.Nsaluyo imayaka ndi fungo lamphamvu, lonunkhira bwino.Kutentha kwa ulusi wa poliyesitala, sikumangokhazikika kukula ndi mawonekedwe komanso kumapangitsa kuti ulusiwo ukhale wolimba.Ulusi wa thonje ndi ulusi wopanda kanthu wachilengedwe;ndi zofewa, zoziziritsa kukhosi, zomwe zimadziwika kuti ulusi wopumira komanso woyamwa.Ulusi wa thonje ukhoza kusunga madzi nthawi 24-27 kulemera kwake.Ndi amphamvu, amayamwa utoto ndipo amatha kulimbana ndi kuvala kwa abrasion ndi kutentha kwakukulu.Mwa mawu amodzi, thonje ndi yabwino.Popeza makwinya a thonje, kusakaniza ndi poliyesitala kapena kugwiritsa ntchito mapeto okhazikika kumapereka malo oyenera ku zovala za thonje.Ulusi wa thonje nthawi zambiri umasakanizidwa ndi ulusi wina monga nayiloni, nsalu, ubweya, ndi poliyesitala, kuti akwaniritse bwino kwambiri ulusi uliwonse.