Push Bra Wonderbra. New and innovative solution that is ideal for use with backless dresses. Support and lift with a flattering touch. Underwire to offer strong support and lift. Lightly padded for shape and comfort. The bra features adjustable straps to provide a unique fit. Composition: 65% Polyamide, 20% Polyester, 15% Elastane Care: Handwash. Do not use bleach. Do not use dryer. Do not iron. Do not dry clean.