1770 Polonaise & Petticoat Pattern (Size Large 18-22) Sewing Pattern - 1770 Polonaise & Petticoat Pattern (Size Large 18-22) (See PI420S and PI42M for smaller sizes) Excellent for Regency and Colonial Impressions, Pirates of the Caribbean Perfect for American Revolutionary War dresses, Colonial Dresses, Colonial costume, Revolutionary War Costume Perfect for Colonial Costume, Regency Costume, Regency Hoops Skirt See our entire line of patterns, costume accessories, historically inspired jewelry, cloak clasps, buttons and accessories