|Bali Womens Smooth Compliments Stretch Perfect Underwire Bra 3100 fiber content is Center Belt Lining: 100% nylon. Inner Cup: 94% polyester 6% spandex. Outer Cup: 91% nylon 9% spandex. Center Belt Back and Strap Extension: 89% nylon 11% spandex. Exclusive of trim and elastics.. Bali Womens Smooth Compliments Stretch Perfect Underwire Bra Dazzling delustered bra gives you smoother curves under clothes. Seamless molded cups provide full support. Soft Stretch Perfect® lining offers sleek fit and shaping. Helps prevent show-through, too. Scalloped trim adds feminine flair. G. Bali Womens 3100 comes with 1 Bras per Pack.