2-pack Cotton Push-up Bras Push-up bras in soft cotton jersey with lace. Molded, padded underwire cups to maximize bust and cleavage. Adjustable shoulder straps and narrow back section with fastener. Pieces/Pairs2 Size: The model is 175cm/5’9″ and wears a size 34B Composition Shell: Cotton 95%, Spandex 5%Cup lining: Polyester 100%Lace: Polyamide 83%, Spandex 17%