Indwangu engalukiwe ye-spunlace efanelekela izingubo zomlilo/izingubo zokuphunyuka yenziwe kakhulu nge-polyester (i-polyester fiber). Isisindo ngokuvamile siphakathi kwamagremu angu-60 no-120 ngemitha yesikwele, kanti ubukhulu bungamamilimitha angu-0.3 kuya kwangu-0.7 ukuqinisekisa ukumelana nomlilo kanye namandla omshini.
