Faironly Halter Crystal Silk Chiffon Women's Evening Dress Prom Gown (S, Lavender) Chiffon halter prom formal gown silk chiffon with beading crystal closure back lace-up brand FairOnly Notice : Buyer Must choose the size base on "FairOnly Size Chart" which show on the top left photos show . if you can not sure the size you need , you can contact us first !