This underwire strapless bra is a wardrobe essential Achieve a smooth, sculpted silhouette with contour cups Supportive boning and stay-put silicone lining on wings Fully adjustable stretch straps are included Traditional straps convert to criss-cross and halter Smooth stretch microfiber Hook count: 2-hook = B-D 3-hook = DD-G Content: 51% Polyester, 33% Polyurethane, 8% Nylon, 6% Cotton, 2% Spandex. Country of Origin: Imported