MODCLOTH X COLLECTIF KEIKO DRESS SIZE: UK 20, USA 16, PLEASE REFER TO THE MEASUREMENT TAKEN TO HELP MAKE YOUR DECISION COLOR: BLACK SHELL: 95%RAYON, 5% SPANDEX UNLINED SURPLICE V-NECK SHORT SLEEVE WRAP STYLE WITH SASH TIE AT WAIST CONCEALED BACK ZIP CLOSURE VELVET MAXI STRETCHY MEASUREMENT TAKEN LAYING FLAT: UNDERARMS: 21”, WAIST: 19”, LENGTH: FRONT: 55” NEW WITHOUT TAG