xiaokong With Side-tie Bottom Sexy 2 Piece Push Up Split Bikini Suit The Size is China Size.Please carefully check the size of the description. US Medium:Bust34.45"(87.5cm)-35.43"(90cm),Hips36.42"(92.5cm)-39.17"(99.5cm),Waist25.98"(66cm)-26.97"(68.5cm) US Medium=China Large:Bust36.61"(93cm)-37.99"(96.5cm),Hips38.58"(98cm)-39.96"(101.5cm),Waist27.95"(71cm)-29.53"(75cm)