Vape Pen

FIG. 1 is a front perspective view of a vape pen in accordance with the design; FIG. 2 is a back perspective view thereof; FIG. 3 is a right perspective view thereof; FIG. 4 is a left perspective view thereof; FIG. 5 is a front, left perspective view thereof; FIG. 6 is a front, right perspective view thereof; FIG. 7 is a left, front perspective view thereof; FIG. 8 is a top perspective view thereof; and, FIG. 9 is a bottom perspective view thereof. The broken lines in FIGS. 8 and 9 illustrate portions of the vape pen that form no part of the claimed design.