|Self Expressions Tuxedo Plunge Push Up Bra (SE5656). Get dressed up with powerful support, elegant styling, and convertible strap options with this fantastic push-up bra! Made of nylon and elastane. Contour/t-shirt, underwire cups have medium graduated crescent-shaped push-up padding at side and bottom for an ideal, rounded shape. Satin bands along tops of cups. Plunge neckline is perfect for low-cut fashions. Bandless front is less bulky for petite and short-waisted women. Center - arched, corded center panel. Microfiber sides and back have wide, soft, supportive elastic sewn onto top and bottom edges for fit. Wide-set, exposed elastic straps have soft undersides and fully adjust at back with coated metal hardware. Convertible hardware at front and back allows you to wear straps five different ways - classic, crisscross, halter, one-shoulder or strapless. Hook-and-eye closure at back has soft back and secures with coated metal hardware. See Fitter's Comments below for hook count.