Qhov no tsis yog-woven koob kuj belongs rau daim duab peb sab koob, ob sab ntawm ntug tsis muaj hniav, lwm yam ntug muaj 4 los yog 6 los yog 8 cov hniav, cov hniav sib nrug heev ntom ntom 1.35㎜, haum rau ntau txheej non-woven fabric composite .
Kev xaiv ntau yam
• Koob loj: 28 32 36 38
• Koob ntev: 3 "3.5"
• Barb puab: G GB B
• Lwm cov duab ntawm qhov chaw ua haujlwm, tshuab naj npawb, barb puab thiab koob ntev tuaj yeem kho tau