The Steffy Two-Piece Dress – Assorted Colors By Kari - May 13, 2016 565 Glamour is what this dress is all about. Polka dots that never go out of style, with floral accents just makes this dress perfect! It is 95% Polyester, 5% Spandex and High quality fabric. Available in Small, Medium, Large, XL and XS Sizes.