This silk bra adopts the satin fabric & silk knit Inner layer fashion design, bringing you a visual enjoyment and physical comfort. Silk lining design, which is breathable and sweats absorbing, cares for your skin, and gives you only soft and comfortable. Fabric of bra: Fabric: Inner layer: 100% mulberry silk, Outer layer: 86% polyester + 14% spandex. Design of bra: Adjustable straps, wireless, satin fabric & silk knit Inner layer. Machine-washable in lukewarm water (30°C) on the most gentle cycle available. 100% pure mulberry silk. - Minimize spin time. - Hang dry if possible. - Tumble dry on a cool setting if using drying machine. Avoid drying for extended period of time. - Iron when slightly damp using a cool setting. Always iron on the nside. - Use neutral or special detergent for silk.