Jessica Ann by Bonnie Jean - Butterfly and Polka Dot Sun Dress - Girls Dress: 100% Cotton Zipper closure Sweetest style from Jessica Ann by Bonnie Jean Polka dot and butterfly print make this girls' sundress flutter with beautiful styling Bow applique adorns the waistband. Back tie provides a custom fit Square neck. Back Zipper. Dress is 100% cotton (exclusive of decoration). Dress lining is 80% cotton / 20% polyester. Machine wash cold gentle with like colors. Tumble dry low.