Cov ntaub tsis-woven uas siv rau kev sib sau ua ke feem ntau yog ua los ntawm polyester fiber (PET). Qhov hnyav feem ntau yog nruab nrab ntawm 40 thiab 100 grams ib square meter thiab tuaj yeem hloov kho raws li qhov xav tau sib txawv ntawm kev sib sau ua ke. Xim, kev xav thiab cov ntaub ntawv tuaj yeem hloov kho.
