A lid assembly for a beverage container having a lid housing, a seal assembly and a trigger member. The seal assembly has a drink seal to close the drink aperture. The seal assembly is rotatedly connected to the lid housing and movable between a use position and a cleaning position to allow the drink aperture to be open for cleaning. The trigger member is connected to the lid housing and is capable of engaging the seal assembly in the use position, but it cannot engage the seal assembly in the cleaning position. Additionally, a trigger lock is connected to the lid housing to prevent engagement of the seal assembly by the trigger member when the trigger lock is locked. The trigger lock may also contain a visual indicator to indicate that the lock is in the locked position.