Cov ntaub qhwv tsis-woven, tseem hu ua non-woven fabrics, koob-punched paj rwb, koob-xuas nrig ntaus tsis-cov ntaub, thiab lwm yam, yog ua los ntawm cov xov paj polyester thiab polyester fiber (abbreviated li: PET). Lawv yog ua los ntawm cov txheej txheem acupuncture thiab tuaj yeem ua rau txawv thicknesses, hnov, thiab textures. Hardness, thiab lwm yam.
Cov ntaub npuag tsis muaj cov yam ntxwv ntawm cov dej noo-pov thawj, nqus tau, hloov tau, lub teeb yuag, nplaim taws rov qab, tsis muaj tshuaj lom thiab tsis muaj qab, muaj tus nqi qis, rov ua dua tshiab thiab lwm yam. Yuav siv tau rau hauv kev lag luam sib txawv, xws li suab rwb thaiv tsev, rwb thaiv tsev cua sov, zaj duab xis cua sov hluav taws xob, qhov ncauj qhov ntswg, khaub ncaws, kho mob, ntim khoom, thiab lwm yam.