Bianca Spender Cherry Twill Cocoon Dress. Size : 12. Cherry red silk blend 'Cocoon' dress from Bianca Spender. Silky silk blend material has a grand sheen to it, and generous ruffled folds that form the tulip skirt. Great for cocktail events, dinner outings and festive events. This item fits large, please select the next size down. Made in Australia.