Stitch perforations are already part of the past. The IC * Star sacks are totally hermetic thanks to this type of closing, a considerable advantage for packaging of, for example, rice, soybeans, flour and other fine powder materials.

Instead of being sewn with a sewing machine the IC * Star bags pass through a device which welds a laminated closure strip to the bottom of the bag by hot air in a continuous process. The opening of the bag for filling is kept open, with this new procedure IC * Star bags van be manufactured, both with and without lamination