Ekouaer Women's Underbust Bustier Corset Waist Trainer Cincher Body Shaper High elastic fabric:90% Polyester+10% Spandex 2 styles:3 hooks with adjustalbe strap;6 hooks with wide fixed strap. Wear your own bra Size available for waist 24" to 42",please determine size by your waistline. Bust support,firm compression for tummy control