Women Vintage Sexy Push Up Padded Swimsuit Bikini Trikini Beachwear Tankini S(=AU XS) Bust 70 Cup AB Waist:24"-26.5" Hip:33"-35" M(=AU S) Bust 75 Cup BC Waist:26.5"-28.5" Hip:35"-37" L(=AU M) Bust 75-80 Cup CD Waist:28.5"-30.5" Hip:37"-39" Usually we suggest you choose the larger than normal size for example you are usually size M perhaps the size L is best for you. 80% nylon 20% spandex 2-4cm difference can be caused by the ways of measurement