These paper bag making machines are dedicated to the production of SOS paper bags with handles, using a gear train or a gearless technology (servo). The handle unit can be for twisted handles or for flat handles paper bags. In the market is possible to find reel fed or sheet fed machines, in some cases are equipped with in line flexo, in most cases are equipped with a photocell for working with pre-printed paper. Square bottom paper bags with handles are typically used as shopping bags (bags for clothing stores, bags for wine, bags for perfumeries, fast food bags, and bags for many other products).