Towel dispenser

FIG. 1 is a front, upper left perspective view of a towel dispenser showing my new design;

FIG. 2 is a front, lower right perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereto; and,

FIG. 7 is a left side view thereto.

A back view is omitted because it is plain and unornamental and forms no part of the claimed design. The broken lines illustrated in drawings form no part of the claimed design.