ZF-90M glasses bag making machine is capable of processing M type glasses bags, as well as Chinese type envelopes within the specification range of 1-9 and western type envelopes within the specification range 2-7. It can also be used to make irregular big bags such as Kodak Brand photo bags. Features of this envelope making machine include automatic impressing, loading paper without stopping, sidelong folding with suctorial roller, and accurately counting through electronic counter, etc.