The ornamental design for drying mat, as shown and described.
FIG. 1 is a plan view of a drying mat showing my design wherein the figure shows my new design in a repeating pattern having raised portions that are intended to be applied uniformly to the entire surface of the embodiment of the drying mat as shown in FIG. 1; and,
FIG. 2 is a plan view of an alternate embodiment of a drying mat showing my new design wherein the figure shows my new design in a repeating pattern having raised portions that are intended to be applied uniformly to the entire surface of the embodiment of the drying mat as shown in FIG. 2.
The surfaces and portions of the drying mat as shown in FIGS. 1 and 2 that would be normally visible but are not shown in the photographs are not described in this specification form no part of the claimed design.