Cov khoom no yog stand-up zipper hnab. Muaj ntau lub hnab nrog cov qauv sib txawv hauv Tshuag, nrog ntau qhov ntau thiab tsawg uas tuaj yeem xaiv thiab tsawg kawg nkaus kom muaj nuj nqis. (Thov saib cov duab hauv cov ntaub ntawv ntawm nplooj ntawv kom paub meej txog cov qauv tsim thiab qhov ntau thiab tsawg.) Haum rau ci, ncuav qab zib, khoom qab zib thiab ntau yam khoom noj txom ncauj. Nws muaj qhov zoo ntawm sealing zoo, reusable sab saum toj zipper foob, pob tshab qhov rais thiab upright sawv.