Products purchased are consistent with the description of the site and was quick to send the vacuum machine is convenient, it will keep longer in the refrigerator foods either in a container or as sac.Gains place in the freezer because no more air in sacs.Facile of use, I recommend it to anyone who likes to cook. No more forgotten dishes of leftovers in the fridge that we had to throw the on.The containers are handy in the fridge or cupboard