Medium to heavy-weight knits or stretch woven fabrics, especially cotton, wool, and silk including Spandex blends are ideal. You'll need 2 3/8 yards of 60" fabric.
Petite Plus Patterns are designed for the full-figured petite woman, with narrow shoulders, a full bust, a short waist length, and a rounded tummy. The patterns generally include sizes 14-24, and the sizing chart can be seen here. Shirt and jacket patterns include the Perfect Fit Guide (tm), which provides "Extra fitting help for a perfect custom fit."