Leonisa Extreme Push Up Padded Strapless Convertible Petite Bra for Women Strapless balconet bra with underwire More sister sizes: 34B = 36A. 36B = 38A. 38B = 40A Ultralight incorporated memory foam padding adds 2 cup sizes Anti-slip grip along bust, underbust and back for strapless support Fabric Content: 72% Polyamide, 13% Silicone, 12% Elastane, 3% Polyester. Interior lining: 100% cotton.