The Arabella Maxi Dress is all about the little details. From the metallic stitching, to the floral textured detailing, to the adjustable straps for just the right fit, this dress is the perfect pick for any occasion. Pair this with your favorite heels and some bold jewelry to complete the perfect look. Fit: fit and flare, adjustable straps for customizable fit Closure: zipper on back Material: 100% polyester The size medium is 14 inches across and there is no stretch. I would say that a size small would be able to wear this dress. It was snug on me.