A convolutely wound material having a tail and a body. The tail is bonded to the body with foamed adhesive.

A method for manufacturing a marked toilet paper roll by winding a sheet of wide toilet paper a predetermined length about a winding shaft to form a log roll and by cutting the log roll at a predetermined width into a plurality of toilet paper rolls, the method including marking stamps at intervals, each interval of the predetermined width, on an end portion of a winding end of the log roll before the log roll is cut into the toilet paper rolls.

The machine includes a first glue-applying device for closing the tail end; and a second mechanical-closing device for mechanically anchoring the tail end of the roll to a portion of an outer turn of the web material wound on the roll.