Made two, they were that easy.
First one: I crochet loose so I only chained 21 with 2 rounds of sc on the edging.
8 inch square.
Second one: Using some bright colors from stash yarn, I made a second one. No boarder. This pattern doesn't require a boarder. But one can be added, even a fancy one.
Pattern: Washboard Dishcloth by Priscilla Hewitt