Oompa, Loompa, doom-pa-dee-do I have a perfect puzzle for you Oompa, Loompa, doom-pa-dee-dee If you are wise, you'll listen to me. This Umpa Lumpa style wig is brilliant to finish off your Charlie and the Chocolate Factory fancy dress costume. One size. Note: No refund or exchange on wigs for hygiene reasons. This does not effect your statutory rights.