Polar Solitary Chamber Vacuum packing How can vacuuming do the job? Vacuum means ‘with no air’. A vacuum chamber machine eliminates ninety nine.8% in the air from the chamber and package deal. It then seals the packaging airtight. For those who have a chamber-sort machine: Buy a chamber-type bag https://www.linpack.com/news/top-food-packaging-machine-manufacturers-ensuring-quality-and-efficiency