High-speed machine for closing sacks, bags or nettings in upright position with an aluminium clip.  Specifically useful to ensure the closure of products that due to dimensions or weight or type of content can not be laid down horizontally, such as paints, liquids, seafood, frozen, vegetables.  Just by pressing the start lever and without releasing the product from the hands, the clipper closes automatically the clip.  It can be supplied with bench or without, so that it can be fixed on tables, walls, etc.