Aldi will have a selection of adult's Halloween costumes in various sizes on sale from Thursday 03/10/13 for £7.99 which seems a bargain.
Product Information :-
Who said dressing up was just for kids?
Men's Design – Vampire (Sizes: M/L or XL)
Ladies Designs – Vampire, Skeleton Dress or Witch (Sizes: S/M or M/L)