You'll have to stay up late practicing your fart sounds to do this funny Halloween costume justice. The comical Lightweight Woopie Cushion costume is a one piece outfit made from 100% polyester felt like material. The top is open above the head and there is a large cut out for the face and arms, and an opening for both legs. The classic pink woopie cushion has a printed design on the front. Channel your childhood with this great adult costume.