Wonderbra Statement Makers Lace Back Push-Up Underwire Bra - 7724 100% Nylon bras closure Flirty lace back is meant to be seen. Push-up cups with graduated foam create gorgeous cleavage and lift. Sexy deep plunge neckline lets you show off your curves. Easy front close. Fiber Content: Cup: 90% Nylon, 10% Spandex. Cup Lining: 100% Polyester. Cup Pad: 100% Polyurethane foam. Back: 88% Nylon, 12% Spandex. Exclusive of trim and elastics.