Mat for Punching Bag

FIG. 1 is a front view of a mat for punching bag; FIG. 2 is a right side view thereof; FIG. 3 is a left side view thereof; FIG. 4 is a rear view thereof; FIG. 5 is a top view thereof; FIG. 6 is a bottom view thereof; and, FIG. 7 is a front view thereof shown in an alternate configuration. The long-dash broken lines illustrate environmental structure and form no part of the claimed design. The short-dash broken lines shown on the mat for punching bag depict stitching, which form part of the claimed design.