A vehicle seat rail sealing system comprising a cover structure arranged in connection to an upper side of a seat rail, wherein the seat rail is having an elongated configuration with an extension in a longitudinal direction, wherein the cover structure comprises a plurality of first cover elements arranged in connection to each other in the longitudinal direction and a plurality of second cover elements arranged in connection to each other in the longitudinal direction, wherein the first cover elements and corresponding second cover elements are pairwise arranged on opposite lateral sides of the seat rail and configured for cooperating with each other,
- wherein the first cover elements via an outer lateral side are configured for pivoting around a first pivoting axis extending in the longitudinal direction and arranged on a first lateral side of the seat rail, wherein the second cover elements via an outer lateral side are configured for pivoting around a second pivoting axis extending in the longitudinal direction and arranged on a second lateral side of the seat rail, wherein an inner lateral side of the first cover elements are releasably connectable to an inner lateral side of the corresponding second cover elements, wherein the inner lateral sides are positioned above the seat rail,
- wherein in an open position the inner lateral side of the first cover elements are disconnected from the inner lateral side of the corresponding second cover elements, and wherein in a closed position the inner lateral side of the first cover elements are connected to the inner lateral side of the corresponding second cover elements in an over-centre position.