Cov hnab looj tes tawv yog ib hom hnab looj tes nrov heev. Cov tawv nqaij tiag tiag yog mos, du, plump, elastic, thiab muaj cov thermal rwb thaiv tsev zoo. PU tawv hnab looj tes muaj cov nyhuv thermal rwb thaiv tsev, tab sis piv nrog cov hnab looj tes wool, thermal rwb thaiv tsev nyhuv ntawm PU tawv hnab looj tes yog zoo dua li cov hnab looj tes ntaub plaub. Tag nrho cov tawv tawv yog txiav thiab sewn, ua kom sov, kub-pov thawj, txias-pov thawj thiab cua-pov thawj, hnav-tiv taus thiab tawg-tiv taus, thiab muaj kev pabcuam ntev. Piv nrog rau cov hnab looj tes ntawm lwm cov ntaub ntawv, cov hnab looj tes tawv yog me ntsis kim dua; lawv kuj tseem tshwj xeeb tshaj plaws txog kev tu thiab tu.
