Effect: Bone CareItem Type: Braces & SupportsName: Posture correctorSize: S/M/L/XLS: Chest size: 46 - 68 cm / 18 - 26 inchM: Chest size: 68 - 91 cm / 27 - 36 inchL: Chest size: 91 - 119 cm / 36 - 47 inchXL: Chest size: 119 - 150 cm / 47 -59 inch