1.50pcs / lub thawv, 40boxes / ctn2. 50pcs / lub thawv, 20boxes / ctn3. Ntawm koj qhov kev thov
1st ply: 20g / m2 spun-bond PP 2nd ply: 20g / m2 yaj-blown PP (filter) 3rd ply: 20g / m2 spun-bond PP