How much film you use basically depends on the size of the food to be vacuum-packed. However, as the film is reusable and easy to clean, it is advisable to cut off longer pieces of film than actually necessary so that you can reuse the bag afterwards. When you open the film again, it is best to cut the bag as close to the seam as possible.
VAC ALL - How much film should be cut off the film tube? How large should the bags be?
