Shamrocks in Bloom Dish Drying Mat. Celebrate St Patrick's Day with this St Patrick's Day Dish Drying Mat. Tired of setting dishes on an old towel? Well fret no more when you set your eyes on this decorative dish mat! It measures 14 inches x 21 inches and features a water-absorbent polyester face, polyurethane foam insert, polyester mesh lining and a binding edge finish. Add a touch of flair and functionality to the kitchen by ordering yours today!