Lid of a container

A lid of a container, comprising a substantially flat lid surface and an edge area, with at least one reclosable pouring opening on the lid surface, and a substantially integral closure means on a bottom side of the lid surface, which closure means is associated with the pouring opening and is attached entirely to the bottom side of the lid surface in a twist-proof manner, and an actuating means which is in connection with the closure means, penetrates the lid surface and is arranged accessibly on an upper side of the lid surface, with the closure means being movable from a closed position to an open position through actuation of the actuating means, and with the actuating means comprising a support element which cooperates with the lid surface when the closure means is in the open position, with the closure means being movable to the open position from the closed position substantially perpendicularly to the lid surface and the actuating means covering the pouring opening in the closed position, wherein the actuating means is twistable substantially in one plane parallel to the lid surface, wherein the closure means is a substantially planar plate and comprises a fastening part which is in direct connection with the bottom side of the lid surface in a non-detachable manner, and a closure area which seals the pouring opening in a liquid-tight manner, with a joint being provided between the fastening part and the closure area, about which the closure area of the closure means can be swiveled against a restoring force, and the joint is arranged as an area with increased flexibility disposed between the fastening part and the closure area.