DDK Women's Chiffon Lace Stitching Round Neck Sleeveless Dress Polyester fiber hello This is the size of China smaller than the size of the United States US X-Small=China Small:Length:31.50"(80cm), Bust:33.07"(84cm) US Small=China Medium:Length:31.89"(81cm), Bust:34.65"(88cm) US Medium=China Large:Length:32.28"(82cm), Bust:36.22"(92cm) US Large=China X-Large:Length:32.68"(83cm), Bust:37.80"(96cm)