Side gusset bag or quad seal bag is also one fashionable bag type in Union Packing. Usually it will pack coffee bean and powder, food snacks, wheat flour, dried nuts and fruits, tea, sunflower seeds, bread, pet food and so on. Side gusset bag looks very simple but also has strong visual appeal which is the special difference with stand up pouch and flat bottom pouch, so many customers like its natural and generous. Each one bag type has its unique side, it is worth to be appreciate. Union Packing will take you know more about side gusset bags.