Silicone FreeBra, front closure bra cups have adhesive inside, free from any strap and side extension. Seamless, backless, strapless and invisible under sheer clothing. Shaping bra gives enhanced cleavage and fullness. This bra is perfect for low-cut, plunging necklines, etc. Cups are washable, reusable and easy to care for. 100% Silicone