It is basically lamination film available in the roll form instead of a pouch form, These rolls are made available via laminating machines, clients can use packaging machine to fill product and produce final product via roll film. For all the options, roll laminating films are the most versatile, while also being the most affordable. It is workable for powder, liquid, honey, tea, coffee ect. The final type of bags can be fold 2 sides seal sachet, middle seal bag , three sides seal flat pouch ect. As below, It can save more times and labor cost. 

Roll Film can be made below type of bags:

1. Middle Seal Bags : 

2. Three sides seal flat pouch: