DINGYE Polycarbonate Multifunction Vacuum Packaging Sealer Machine (White) DZ-300A household vacuum sealer’s ability of vacuum exhausting is very well. It is applicable to the vacuum packaging of some kinds of OPP bags and synthetical bags, and has the advantage of small size, simple component, easy operating. Food packed by this machine can extend its fresh protecting time. It protects the food in refrigerator from corrosion, water evaporation and split.