Serendipity Mustard Bib Dress Legging Set. This darling dress features a mix of adorable fabrics - dots, stripes, and floral! The polka dotted gray sash at the waist ties in the back. The dress has a gray striped bib that is accented with mustard yellow buttons. The dress has a double ruffle hem. The legging pants are a gray stripe and also have a double ruffled hem. A matching rosette headband is also included! The dress top is 95% cotton and 5% spandex. The skirt is 100% cotton. The legging pants are 95% cotton and 5% spandex.