Beverage can top cover

A lid assembly for a beverage can comprising

• a base having a first plate and a skirt depending from the first plate, the skirt having a projection thereon for engaging under a part of a rim of the can to attach the first plate to the can,
• a cover having a second plate mounted parallel to and against the first plate on a side thereof remote from the skirt for rotation of the second plate relative to the first plate about an axis of rotation,
• the first plate, in areal extent, being a major part of a first circular area, centered on and encompassing the axis, the first plate having a first part of a perimeter thereof spanning the first circular area, the first plate excluding a first drinking access area having a perimeter defined by the first perimeter part and, contiguous thereto, an arc of the first circular area,
• the second plate, in areal extent, being a major part of a second circular area, centered on and encompassing the axis, the second plate having a second part of a perimeter thereof spanning the second circular area, the second plate excluding a second drinking access area having a perimeter defined by the second perimeter part and, contiguous thereto, an arc of the second circular area,
• wherein the second plate is rotatable relative to the first plate between a closed position in which the second plate covers the first drinking access area and an open position in which at least a part of the second drinking access area covers at least a part of the first drinking access area.