Smooth satin with flirty black lace details. Moderate back coverage show a little but not all, leaving something to the imagination.* Flower embroidery: nylon 87%, spandex 13% * Fabric: polyester 79%, spandex 21% * Crotch lining: cotton 100% Use only cold or warm water as hot water might break down delicate lace and silk fabrics if they are contained in the products. Machine washable using laundry bag if the product does not contain lace and silk. Ornate or delicate pieces are recommended to wash by hand and dry naturally for better maintenance.