Playtex 18 Hour Front-Close Wirefree Bra with Flex Back Polyester/nylon/natural rubber latex/spandex/cotton Stay-flat front close has large hooks and eyes, so it fastens quickly and easily Stay-flat front close has large hooks and eyes, so it fastens quickly and easily Wirefree M-frame adjusts to your shape for great fit and super support. Seamed non-stretch cups contour your curves for a naturally shapely look. (Cups come in silky microfiber for skin-caressing comfort.) Breathable power-net panels add extra side support.