Wonderbra Removable Strap Push-Up Bra, 2-Pack Cup Back: 79% Nylon/21% Spandex; Cup Lining Pad: 100% Polyester; Cup Frame: 50% Nylon/37% Rayon/13% Polyester Imported Hand Wash Pack of two bras featuring removable straps and seamless foam push-up cups Silicone grippers at top and bottom of bra back Side stays for added support