Bi.tencon Wedding Underwear Shapewear Strapless Bustier White Bridal Corset Top L 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. 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. 2 Pieces, including 1 Corset, and 1 Matched G Strings