Bali Women's Smooth Compliments Underwire Bra #3100 100% Polyester bras closure center belt lining: 100% nylon; inner cup: 94% polyester, 6% spandex; outer cup: 91% nylon, 9% spandex; center belt: 89% nylon, 11 % spandex Exclusive stretch perfect lining fabric molds to your body offering improved fit and modesty Seamless cups Imported Hand wash, line dry