Product material: the main material is nylon lace and spandex and the lining is made of rayon and spandex. So the top part is stretchable and soft. The bandeau is designed in tube shape and strapless. The small measures 11 inches and the medium measures 12 inches seam to seam.
Fiber Content: 95% Rayon, 5% Spandex (View Fabric Guide)