Backless is the new neckline! Key features: soft fabrics for ultimate comfort, appears invisible under clothing and patented hand support technology inside the cups creates wonderful cleavage and push up effect. Product details: improved secure fit for bigger cup sizes, foam cups feature patented hand-shape technology, frame is a plastic construction instead of the traditional cup wire, single fabric outer layer across the cups for a seamless look, two fabric layers for the bust: microfiber outer and mesh lining. and embossed hook and eye. Non detachable straps. Hand wash only.