A plastic container that is produced by an extrusion process or a PET blowing process having an associated rotary closure, which can be brought from a closed position to an open position by a pivoting movement. The neck of the container and the rotary closure are each made of only a single part. The container has a straight or slightly conical neck, which forms a radially protruding collar on the outside in the bottom half of the neck, on a lower edge of which collar an attachable rotary closure having snapping elements that can be locked, such that the rotary closure is retained on the neck so that the rotary closure can be pivoted about an axis of rotation of the rotary closure.
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