The ornamental design for a sealinglip, as shown and described.
FIG. 1 is a front view of a sealing lip according to the present design;
FIG. 2 is a perspective view of the sealing lip according to the present design;
FIG. 3 is a further perspective view of the sealing lip according to the present design;
FIG. 4 is a top view of the sealing lip according to the present design;
FIG. 5 is a rear view of the sealing lip according to the present design; and,
FIG. 6 is a perspective view of the sealing lip within the housing according to the present design.
A sealing lip is shown, which is a part of a drop-down seal for a window or door. The broken lines in FIGS. 1-4 depict portions of the article that form no part of the claimed design. The additional components in broken lines shown in FIGS. 5 and 6 depict a housing of the drop down seal that forms no part of the claimed design. The appearance of any portion of the article between the break lines shown in solid lines forms no part of the claimed design.