I'm a Mouse, Duh Couples Halloween Costume Shirt #1 of 2Machine wash cold with like colors, dry low heat This I'm A Mouse, Duh! tee is half of a funny couples Halloween costume Click our brand for the coordinating shirt that features a mousehole and the phrase I'm A House, Duh! Perfect costume for a girlfriend and boyfriend, best friends, sister and brother, or any other duo! Your joint costume will be a hit at trick or treat & any Halloween party. Lightweight, Classic fit, Double needle sleeve and bottom