MODA Victoria’s Secret Stretchy Cotton Pinstripe Sundress. Straps are adjustable with buttons. Straps are detachable. There is a back slit. Dress is 70% cotton 28% polyester and 2% spandex. The dress has a stretchy quality to it. Size 4 The photograph of the dress on the mannequin shows the zipper not zipped up all the way. The zipper DOES zip up all the way. It just does zip up on the mannequin because the mannequin is too large for this size 4 dress. Measurements: From the armpit to the bottom of the dress is 26 inches. With the garment lying flat from left armpit to right armpit across measures 15 inches. With the garment lying flat from left to right the waist measures 13 1/2 inches. The detachable straps are 17 inches long.