Except the small sachet for sauce packaging, now ready to fill pouch becomes very popular for the products such ketchup, mayonesa, Mostaza products etc. Its a trend to replace the glass or plastic bottle packing method. Normally we use stand up pouch, shape packaging or spout packaging bags for filling the products. Its a cheaper choice to reduce the packing cost, and also easy to carry away.  Mostly contains aluminum material to prevent it from light and moisture, so it can keep longer shelf life.