Binn Women Sexy Hollow V-neck Backless Long Catwalks Formal Dress Cotton+Polyester Fiber Our sizes Come with Asia Size, Suggest 1/2 Sizes Up US X-Small=China Small:Length:54.33"(138cm), Bust:31.50"(80cm), Waist:25.20"(64cm), Shoulder:11.02"(28cm), Sweep:86.61"(220cm) US Small=China Medium:Length:55.12"(140cm), Bust:33.07"(84cm), Waist:26.77"(68cm), Shoulder:11.42"(29cm), Sweep:88.19"(224cm) US Medium=China Large:Length:55.91"(142cm), Bust:34.65"(88cm), Waist:28.35"(72cm), Shoulder:11.81"(30cm), Sweep:89.76"(228cm) US Large=China X-Large:Length:56.69"(144cm), Bust:36.22"(92cm), Waist:29.92"(76cm), Shoulder:12.20"(31cm), Sweep:91.34"(232cm)