Playtex Women's Secrets Sensational Sleek Wirefree Bra Hook and Eye closure Hand Wash sleek soft fabric with visual details comfortable back smoothing feature lightly lined cups Style 5675; Inner center belt, inner strap extension lining: 100% polyester. Cup lining: 92% nylon, 8% spandex. Center belt, strap extension: 85% nylon, 15% spandex.