A nozzle for a two-chamber container for mixing two components and applying the mixture, comprises a foldable nozzle body, comprising a mainly ring-shaped connecting part for connecting the nozzle to a container body, wherein the connecting part is arranged at an outer diameter, a tip arranged mainly in the center of the nozzle body, the tip comprises a predetermined breaking line for providing an outlet in broken state, at least one intermediate folding ring connecting the tip with the connecting part so that the tip is movable relative to the connecting part in axial direction between a folded state, where the tip is arranged mainly radially inside the connecting part, and an unfolded state, where the tip is arranged mainly outside the connecting part, and a cover plate connected with the tip.