An improvement in a plastic lid for a can of the type which comprises a tubular body (10) having an upper end (13) carrying a seat (16) for the lid (20) which comprises a sealing portion (21) provided with an external edge (21b) and a tamper evident portion (25) comprising a lower skirt (25a), to be seated around part of the upper end (13) of the tubular body (10) and which is incorporated, to the external edge (21b) of the sealing portion (21b), through bridges (26) which are broken upon the first opening of the lid (20). The bridges (26) are axially disposed around a circumferential extension of the upper end (13) of the tubular body (10), in order to connect an upper edge (25b) of the lower skirt (25a) with the external edge (21b) of the sealing portion (21) in points which are angularly spaced apart. |