End fitting for a wiper blade, the wiper blade comprising: a wiping lip comprising a longitudinal end and at least one longitudinal groove, at least one stiffening strip at least partially arranged in the groove of the wiping lip, wherein the end fitting is configured for mounting on an longitudinal end of the wiper blade, the end fitting comprising: a hollow body comprising a longitudinal cavity configured to receive said wiping lip and said at least one stiffening strip, the cavity comprising at least one slot located on one of its sides for receiving said at least one stiffening strip, the at least one slot extends longitudinally along the length of the hollow body of the end fitting, the cavity comprising retaining means at the longitudinal end of said cavity for retaining the longitudinal end of the wiping lip, characterized in that the retaining means comprise at least one protrusion extending into the cavity for engaging with the groove at the longitudinal end of the wiping lip, the at least one protrusion extending from the at least one slot into the interior of the cavity and/or the retaining means comprise a slant extending substantially obliquely from the cavity to the front edge of the fitting, the slant being substantially lateral to the main axis of said cavity, for abutting on the corresponding chamfer at the longitudinal end of the wiping lip, the slant closing the slot. a wiping lip comprising a longitudinal end and at least one longitudinal groove, at least one stiffening strip at least partially arranged in the groove of the wiping lip, wherein the end fitting is configured for mounting on an longitudinal end of the wiper blade, the end fitting comprising: a hollow body comprising a longitudinal cavity configured to receive said wiping lip and said at least one stiffening strip, the cavity comprising at least one slot located on one of its sides for receiving said at least one stiffening strip, the at least one slot extends longitudinally along the length of the hollow body of the end fitting, the cavity comprising retaining means at the longitudinal end of said cavity for retaining the longitudinal end of the wiping lip, characterized in that the retaining means comprise at least one protrusion extending into the cavity for engaging with the groove at the longitudinal end of the wiping lip, the at least one protrusion extending from the at least one slot into the interior of the cavity and/or the retaining means comprise a slant extending substantially obliquely from the cavity to the front edge of the fitting, the slant being substantially lateral to the main axis of said cavity, for abutting on the corresponding chamfer at the longitudinal end of the wiping lip, the slant closing the slot. a hollow body comprising a longitudinal cavity configured to receive said wiping lip and said at least one stiffening strip, the cavity comprising at least one slot located on one of its sides for receiving said at least one stiffening strip, the at least one slot extends longitudinally along the length of the hollow body of the end fitting, the cavity comprising retaining means at the longitudinal end of said cavity for retaining the longitudinal end of the wiping lip, characterized in that the retaining means comprise at least one protrusion extending into the cavity for engaging with the groove at the longitudinal end of the wiping lip, the at least one protrusion extending from the at least one slot into the interior of the cavity and/or the retaining means comprise a slant extending substantially obliquely from the cavity to the front edge of the fitting, the slant being substantially lateral to the main axis of said cavity, for abutting on the corresponding chamfer at the longitudinal end of the wiping lip, the slant closing the slot.