Material: Polyester Boning: 2 Steel bars adjacent to the front busk, 12 Supporting Plastic Bones Front Design: Busk Back Design: Lace up, With Extra Cover Material at the back Comes with Matching G-String Size in Inches: S/Bust:29-31inch Waist:23-25inch M/Bust:31-33inch Waist:25-27inch L/Bust:33-35inch Waist:27-29inch XL/Bust:35-37inch Waist:29-31inch XXL/Bust:37-39inch Waist:31-33inch XXXL/Bust:39-41inch Waist:33-35inch XXXXL/Bust:41-43inch Waist:35-37inch