Cov khoom siv feem ntau siv rau spunlace non-woven npuag haum rau cov ntaub ntub dej yog viscose fiber, polyester fiber, los yog ob qho tib si. Qhov hnyav yog feem ntau ntawm 40-80 grams ib square meter. Cov khoom yog lub teeb yuag thiab mos, haum rau kev tu txhua hnub, pleev tshem tawm, thiab lwm yam. Nws muaj zog nqus dej thiab tseem tsim nyog rau kev tu chav ua noj, kev ua haujlwm so, thiab lwm yam xwm txheej.
