Bali 3383 Passion for Comfort Underwire Bra Strap Lining: 75% Cotton, 25% Polyester; Outer Strap Lining: 100% Polyester; Inner Strap and Center Belt Lining: 100% Nylon; Cup Back and Strap: 76% Nylon, 24% Spandex Hook and Eye closure Hand Wash 0.1" high 4.4" wide Silky-smooth lining Lightly cushioned straps Encased underwires Enhanced modesty and comfort