A lid for a sealing a container, the lid comprising: a closure having a circumferential rim extending about a periphery, wherein the circumferential rim is adapted for mating with a rim of the container; the circumferential rim further comprising a raised annular inner side wall, a raised annular outer side wall, wherein the outer side wall extends around the inner side wall and is generally parallel to and opposite the inner side wall, the outer side wall and inner side wall being interconnected by an annular top wall, the annular top wall being generally perpendicular to the outer side and inner side walls; wherein the combination of the raised annular inner side wall, the raised outer side wall and the annular top wall form a channel therebetween; the annular top wall further including a plurality of inverted dimples (30, 31, 33) positioned along a top surface of the annular top wall; and the inverted dimples (30, 31, 33) of the annular top wall projecting downward within the channel, the downwardly projecting dimples being at least partially enclosed within the channel, for engaging the container rim when the lid is positioned over the container characterized in that the at least one of the plurality of inverted dimples (30, 31, 33) reverses direction and projects upwards beyond the annular top wall to assume a raised position, pursuant to the application of a downward force on either side of the at least one inverted dimple when the lid is seated to the rim of the container.. a closure having a circumferential rim extending about a periphery, wherein the circumferential rim is adapted for mating with a rim of the container; the circumferential rim further comprising a raised annular inner side wall, a raised annular outer side wall, wherein the outer side wall extends around the inner side wall and is generally parallel to and opposite the inner side wall, the outer side wall and inner side wall being interconnected by an annular top wall, the annular top wall being generally perpendicular to the outer side and inner side walls; wherein the combination of the raised annular inner side wall, the raised outer side wall and the annular top wall form a channel therebetween; the annular top wall further including a plurality of inverted dimples (30, 31, 33) positioned along a top surface of the annular top wall; and the inverted dimples (30, 31, 33) of the annular top wall projecting downward within the channel, the downwardly projecting dimples being at least partially enclosed within the channel, for engaging the container rim when the lid is positioned over the container the circumferential rim further comprising a raised annular inner side wall, a raised annular outer side wall, wherein the outer side wall extends around the inner side wall and is generally parallel to and opposite the inner side wall, the outer side wall and inner side wall being interconnected by an annular top wall, the annular top wall being generally perpendicular to the outer side and inner side walls; wherein the combination of the raised annular inner side wall, the raised outer side wall and the annular top wall form a channel therebetween; the annular top wall further including a plurality of inverted dimples (30, 31, 33) positioned along a top surface of the annular top wall; and the inverted dimples (30, 31, 33) of the annular top wall projecting downward within the channel, the downwardly projecting dimples being at least partially enclosed within the channel, for engaging the container rim when the lid is positioned over the container characterized in that the at least one of the plurality of inverted dimples (30, 31, 33) reverses direction and projects upwards beyond the annular top wall to assume a raised position, pursuant to the application of a downward force on either side of the at least one inverted dimple when the lid is seated to the rim of the container..