Lub hnab ntim tus kheej xa mus rau lub hnab ntim khoom uas tuaj yeem raug kaw los ntawm nias.
Zipper ziplock hnab (tseem hu ua lub hnab ntim khoom, muaj cov hnab ntawv nplaum, hnab airtight, ziplock hnab, keel hnab, Lus Askiv: Ziplock hnab, Rov qab hnab, Zipper kaw hnab, Resealable Bag), nrog polyethylene (LDPE) thiab high-voltage hlau Polyethylene (LLDPE) yog ib hom hnab yas uas tuaj yeem rov ua dua los ntawm tshuab moulding thiab kub-txiav tshuab ua lub hnab. Cov khoom siv feem ntau yog PE, EVA, PO, ntau txheej zipper hnab, thiab lwm yam.
