Compared to your standard dwelling vacuum sealing machine, this Experienced vacuum sealer provides a tighter seal every time with out sucking liquid past the seal line or leaving little air pockets on the edges or bottom of the pouch or bag. Conversely, Vacuum Packaging focuses on preserving item freshness https://foodpackagingmachinemanuf35555.plpwiki.com/6628169/the_best_side_of_tray_sealing_machine