Dinosaur Adult Onesie – T-Rex Halloween Costume – Plush Dino One Piece Cosplay Suit for Adults, wonder woman costumes Women and Men FUNZIEZ! VACUUM SEALED PACKAGING – Your new Funziez! Big-On-Sale Princess Adult Women Coronation Dress Costume Cosplay … Available in adult sizes X-Small through 2X-Large. See size chart for details. Larger costume companies have warehouses full of costumes for rental to customers. This list contains the champions of World Cosplay Summit.