Abstract: A seal for a lid or the like and a lid provided therewith are disclosed. Said seal (5) for a lid (2) such as a screw top for the open end (1) of a container (R) consists of a disk or ring loosely fitted in the bottom of the lid (2) and comprises one surface (7) having a ring-shaped lip (8) with a substantially tapered bearing surface (9) compressively engaging a corresponding bearing surface (13) on the open end (1) of the container (R), and a second surface (10) having a circular raised portion (11) with a flat bearing surface (12) slidably engaging the bottom (3) of the lid (2). Said seal may be used in caps on containers for cosmetics.