Women's Lace up Overbust Corset Steel Boned Bustier with G-string Material: 90% Polyester and 10% Spandex Fully adjustable criss cross ribbon laced back, please try to adjust it to be more fit for your body 12 flexible bones to give shape and support along with a strong steel busk fastening Size run small, please choose one size larger than usual wear. Please see our size chart in the pictures area and choose mostly according to your waist size 2 Pieces, including 1 Corset, and 1 Matched G Strings