The present invention relates to a flexible tube for a product having a liquid or pasty consistency, comprising: a tube head (1) comprising a shoulder (12) and a neck (11), a skirt (2) having a proximal end (21) which is connected to the tube head (1) and a free distal end (22), the skirt (2) forming an internal volume which is adapted to contain a product having a liquid or pasty consistency, characterised in that the proximal end (21) of said skirt (2) comprises a plurality of flaps (24) and a plurality of notches (23) separating said flaps (24), said flaps (24) being folded so as to cover all or part of the shoulder (12).