Luk Oil Black Women Sexy Bikini Swimwear Biknin Two-piece Swimsuits Material:82% Nylon 18%spandex(There are steel prop with no chest pad) Swimwear greater flexibility, size for reference(Recommend size:70B choose S, 75A-75B choose M, 75C-80B choose L) S: Bust 31.5"-33"; Waistline 24"-25"; Hips 31.5"-33" M:Bust 33"-34.6"; Waistline 25.9"-26.9"; Hips 33"-34.6" L: Bust 34.6"-36.22"; Waistline 27.9"-29.5" ; Hips 34.6"-37.4"