Spray paint: rubber door mat with a primer (any light color), base coat with black (allow dry time between coats). Use two coats of the Matte Heirloom White, allow a few days airing time outside. Use 120 grit sand paper on a small hand sander, sand to distress/aged feel.
Painted rubber door mat wall art $1.00 doormat from the dollar store,Heirloom White spray paint from Home Depot,once it is dry after spray painting the doormat all over,sander them to give them an aged feel! or they could be left just painted.