a novel cushioning conversion machine and method for converting sheet stock material into a novel cushioning product and for producing discrete sections or pads of desired length , without the need for a cutting assembly , thereby enabling the construction of a less expensive , smaller and less complex machine . the machine and method are characterized by a weakening device for perforating a sheet stock material of one or more plies along tear lines so that as a strip of cushioning is formed from the stock material , discrete sections or pads of desired length may be detachable along the tear lines . the stock material includes material which is biodegradable , recyclable and composed of a renewable resource , such as kraft paper .