You can easily get the best vacuum sealer (find the best vacuum sealer guide here) on Amazon. These machines have developed over the years to become a common tool in most households today. Simply put, this refers to a special method of packaging that is used to remove air from a package before sealing. In particular, this technique often involves putting items in a special plastic film package and extracting the air from the interior. Following, this the package is then sealed, and this provides excellent food conservation benefits.