Pretty Passion For Comfort UW Cups, Backs, Center Belt, Outer Strap: 82% Nylon, 18% Spandex. Center Belt Lining, Inner Strap: 100% Nylon. Outer Strap Lining: 100% Polyester. Cup Lining: 94% Polyester, 6% Spandex. Back Lining: 76% Nylon, 24% Spandex. Strap Lining: 75% Cotton, 25% Polye bras closure Encased underwire adds comfort Soft embrace sides offer gentle support Beautifully patterned fabric is smooth under clothes # Tagless bra Comfortable lightly cushioned straps # 3 column, 2 row hook and eye back closure Sizes: 34-40 B, 34-42 C, 34-42 D, 36-40 DD