From the McCall's website:
Close-fitting lined bodices have neckline and sleeve variations, and back invisible zipper closure. Pleated skirts have horsehair in hem and attached lined panties. Create your own design with mix-and-match pattern pieces. Design options include: Round neckline, V-neckline, halter-style neckline, cap sleeves, short sleeves, long sleeves, puff sleeves with band, single-layer pleated skirt, and double-layer pleated skirt.
Four-way stretch gauge needed.