Mat

FIG. 1 is a top, perspective view of the mat showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a side elevation view thereof; and,

FIG. 5 is a bottom plan view thereof.

The dash-dash broken lines in the drawings depict portions of the mat that form no part of the claimed design. The dot-dot-dash broken lines represent the bounds of the claim and form no part thereof.